Learning Program Vectors & Graphics

Educational Robot Flat Vector Illustration. Educational robot for STEM and STEAM learning. Technology for teaching children coding, programming, and engineering. Educational robot for STEM and STEAM learning. Technology for teaching children coding, programming, and engineering. Symbol for school and academic programs. Flat vector illustration

Graduation cap and diploma with red tassel and ribbon isolated on transparent background. The image features a traditional black graduation cap, often referred. The image features a traditional black graduation cap, often referred to as a mortarboard, placed next to a rolled diploma. The cap has a red tassel hanging from its center and a red ribbon tied around the rolled diploma, symbolizing academic achievement and the completion of an educational program

Intelligent Bear Reading Book in Library, vector design Generative AI. A charming illustration of an intelligent bear standing and reading a book in a library. A charming illustration of an intelligent bear standing and reading a book in a library setting, symbolizing education, knowledge, and imaginative learning. This whimsical vector graphic is ideal for children's books, educational programs, or library promotions. Its creative depiction encourages reading and intellectual curiosity, perfect for inspiring young minds, vector design Generative AI

AI Robot Dialogue and Communication Concept. A minimalist illustration depicting two robotic or android heads facing each other in profile. A speech bubble. A minimalist illustration depicting two robotic or android heads facing each other in profile. A speech bubble between them symbolizes communication, dialogue, data transfer, or machine learning. This flat design icon represents concepts like artificial intelligence (AI), chatbots, future technology, and digital interaction. Isolated on a white background, this clean and modern graphic is perfect for tech-related websites, presentations, articles on robotics, or as a logo for a software company. It effectively visualizes AI-to-AI conversation and advanced technological networking.

Abstract pattern with human brain and lightbulb. Brain boost and development, learning, studying method of brain development concept - abstract pattern with. Brain boost and development, learning, studying method of brain development concept - abstract pattern with human brain and lightbulb

IEP soft blue concept icon. Individualized education program for disabled students. Special learning. Round shape line illustration. Abstract idea. Graphic

Grade management multi color concept icon. Tutoring, mentorship. Academic program. Round shape line illustration. Abstract idea. Graphic design. Easy to use in

AI education vector icon. Includes computer screen, graduation cap, text, play button, light bulb, and circuit lines. Thin blue outline on dark blue circular

Education and Skill Development Icons. A clean and modern illustration featuring a set of education and skill development icons. The image showcases a pie chart. A clean and modern illustration featuring a set of education and skill development icons. The image showcases a pie chart, a skill badge with a lightbulb, a certificate, and a checklist with the word 'LEARNING'. The icons are rendered in a 3D style with a gradient color scheme, set against a plain white background. This image is ideal for educational materials, business presentations, training programs, and websites related to learning and development.

Neural Tech Concept with Brain and Microchip Graphic. A sophisticated concept featuring a human brain combined with an electronic microchip and circuit board. A sophisticated concept featuring a human brain combined with an electronic microchip and circuit board patterns. Set against a dark textured background, the graphic represents artificial intelligence, cybernetics, data processing, and advanced technology. The design includes glowing connections and the bold text Neural Tech underneath, making it ideal for concepts related to machine learning, computing, neurology, innovation, and digital transformation.

AI Writing and Content Generation Icon Set Pattern. A seamless pattern of modern line art icons representing AI-powered writing and content creation. This. A seamless pattern of modern line art icons representing AI-powered writing and content creation. This versatile vector set illustrates the evolution of text generation, from vintage typewriters to advanced computer algorithms. Symbols include AI-assisted copywriting, automated editing, data analysis, and chatbot technology. These icons are perfect for technology-themed websites, marketing materials, presentations on machine learning, and illustrating concepts of digital transformation and automation in creative industries. The flat design with a muted color palette offers a clean and contemporary look.

Career Upskilling and Reskilling Journey. A winding path of growth, learning new skills ahead. A winding path of growth, learning new skills ahead.

Learning for Success. Steps of education leading to success goal. Taking strategic steps towards graduation. Career path and first for business, Graduation. Steps of education leading to success goal. Taking strategic steps towards graduation. Career path and first for business, Graduation achievement goals

Stack of Three Books, Core Knowledge & Foundation, vector design Generative AI. A concise illustration of a stack of three books, symbolizing core knowledge. A concise illustration of a stack of three books, symbolizing core knowledge, educational foundation, and essential learning resources. Ideal for curriculum outlines, academic programs, or foundational concepts, conveying structured learning and the building blocks of understanding, supporting intellectual development, vector design Generative AI

Digital Education Concept with Graduation Cap and Circuit Board. A creative illustration combining a graduation cap, a circuit board, and a pencil, symbolizing. A creative illustration combining a graduation cap, a circuit board, and a pencil, symbolizing the integration of technology in education and learning

Online Training and Webinar Icon on Laptop. Illustration of a laptop displaying an online training or webinar concept. The screen features a stylized figure of a. Illustration of a laptop displaying an online training or webinar concept. The screen features a stylized figure of a presenter and a play button, suggesting video content or online learning. The image is clean and simple, suitable for websites, presentations, or educational materials related to online courses, webinars, and e-learning.

AI Neural Network Brain Concept Illustration. An abstract vector illustration depicting the concept of Artificial Intelligence. The central 'AI' text is. An abstract vector illustration depicting the concept of Artificial Intelligence. The central 'AI' text is surrounded by a swirling, dynamic pattern, encased within an intricate network of interconnected nodes and lines. This design visually represents a complex neural network or data processing system, symbolizing innovation, connectivity, and the future of technology. Ideal for tech articles, presentations, and digital media related to AI, machine learning, and advanced computing.

Online education shown on computer screen for learning. Stylized flat illustration of a computer screen displaying an online education interface. Graphic, clean. Stylized flat illustration of a computer screen displaying an online education interface. Graphic, clean style on a White Backround.

LingoConnect: Explore Global Language Partners. The LingoConnect app facilitates language learning by connecting users with native speakers worldwide. The. The LingoConnect app facilitates language learning by connecting users with native speakers worldwide. The interface showcases a diverse range of profiles, allowing users to find partners for practice and cultural exchange.

Set of Graduation Cap Icons in Outline and Solid. This image features a set of two graduation cap icons presented on a clean white background. The left icon is. This image features a set of two graduation cap icons presented on a clean white background. The left icon is rendered in a minimalist outline style, while the right icon is a solid black silhouette. Both designs include the traditional mortarboard shape with a hanging tassel. These versatile icons are perfect for educational websites, academic branding, graduation announcements, school newsletters, e-learning platforms, and university promotional materials. The simple, high-contrast design ensures clarity and professionalism for various digital or print applications related to student achievement and academic success.

AI Classroom Teaching Concept with Robot and Blackboard for School Marketing and Education Website Design. AI robot teaching math on blackboard with books and. AI robot teaching math on blackboard with books and study tools. Ideal for school websites, online classes, education apps, banners and digital learning marketing

Webinar session icon showing online presenter speaking through laptop screen during digital seminar. Laptop displaying webinar session where presenter. Laptop displaying webinar session where presenter communicates with audience through online platform. Concept of professional learning digital seminar and remote training environment

Perennials. Flat Vector Illustration. Mentorship concept. Elderly mentor sharing knowledge with young professionals during a mentorship program. Professional. Mentorship concept. Elderly mentor sharing knowledge with young professionals during a mentorship program. Professional development and career guidance. Vector illustration.

Online Education with Laptop, Open Book, and Mug. Visual representation of online learning featuring a laptop, open book, and red coffee mug symbolizing. Visual representation of online learning featuring a laptop, open book, and red coffee mug symbolizing education accessibility. Flat vector modern illustration

Set of Artificial Intelligence and Neural Network Icons. A comprehensive set of black and white icons representing artificial intelligence, neural networks. A comprehensive set of black and white icons representing artificial intelligence, neural networks, machine learning, deep learning, and brain technology. The collection includes various symbols such as human heads with circuits, microchips, futuristic typography, and interconnected nodes. Ideal for technological presentations, websites, educational materials, infographics, software interfaces, and corporate branding related to modern innovations, data science, robotics, and cybernetics.

Corporate wellness employee health screening flat. Three individuals in a wellness screening setting: a woman at a laptop, a man checking a phone, and another. Three individuals in a wellness screening setting: a woman at a laptop, a man checking a phone, and another woman with a tablet. Background elements include icons of health metrics like heart rate, graphs, droplets, and shields, symbolizing health monitoring and protection. Surrounding graphics suggest a corporate health program with interconnected wellness themes. The scene incorporates plants and office furnishings, with a focus on technology and digital health solutions.

Bootcamp intensive reskilling training group flat. A flat of a diverse group of individuals engaged in a bootcamp training session. They are using laptops at a. A flat of a diverse group of individuals engaged in a bootcamp training session. They are using laptops at a table, with one person standing, holding a tablet and pointing to floating icons. The icons represent growth, education, and skills development, including elements like a rocket, certificate, and brain. The scene conveys collaboration and learning, with a modern and colorful style, blending blue, green, orange, and yellow tones. Suitable for concepts of education, teamwork, and reskilling.

Tutorial Icons for Learning and Education. Icons of representing tutorials and educational resources. Icons of representing tutorials and educational resources.

Young boy coding on a laptop with code displayed on screens. AI-generated. A young boy with dark hair and a blue t-shirt is happily coding on a laptop. Two. AI-generated. A young boy with dark hair and a blue t-shirt is happily coding on a laptop. Two screens displaying lines of code are visible behind him, suggesting he is engaged in software development or learning to program

Colorful Education Skills and Hobbies Icon Set. A vibrant collection of thirty-two flat line icons arranged in a grid on white background, covering education. A vibrant collection of thirty-two flat line icons arranged in a grid on white background, covering education, creativity, career and hobbies. Includes symbols for science, art, music, cooking, photography, coding, language, sports, gardening, sewing, chess, finance and medicine. Outlined in black with bright colors, modern minimal style. Ideal for e-learning, school presentations, infographics, mobile apps, websites and instructional materials illustrating skills development, training and lifelong learning concepts.

Innovator with VR Headset, Coder at Work, and Surveillance Camera Highlighting Technology Themes. Man with VR headset holding a bulb pointing forward, woman. Man with VR headset holding a bulb pointing forward, woman writing code on screen, and security camera. Ideal for innovation, coding, learning, security, advancement, teamwork simple landing page

City Rocket Launch Urban Space Program, vector design Generative AI. A dynamic vector illustration of a rocket launching from a bustling cityscape into the sky. A dynamic vector illustration of a rocket launching from a bustling cityscape into the sky. Perfect for themes of urban development, space technology, scientific progress, national achievements, or future transportation. This design symbolizes ambition and the integration of space with city life, vector design Generative AI

Illustration of an online course featuring a laptop and graduation cap Vector, illustration. The image depicts a laptop on the left side with a colorful screen. The image depicts a laptop on the left side with a colorful screen, next to a stylized text that reads 'online course' in vibrant, 3D letters. Above the text is a small icon of a graduation cap, suggesting education and academic achievement. The overall theme emphasizes learning in a digital format , elegant style

Different styles of the AB blood group symbol presented in various artistic fonts and designs during an educational workshop. A workshop focused on blood types. A workshop focused on blood types showcases creative representations of the AB blood group symbol in various artistic styles and fonts. Participants are engaged in learning.

Corporate Training and Employee Development Concept. Empowering growth through upskilling, collaboration, and strategic learning. Empowering growth through upskilling, collaboration, and strategic learning.

Online education icon concept showing a learning interface. Flat design icon illustrating online education with a student on a laptop screen. The color palette. Flat design icon illustrating online education with a student on a laptop screen. The color palette is based on muted colors.

5 Education Center Logo Set Modern Academic Brand Design. Collection of 5 five education center logos featuring academic themes. Ideal for school, college. Collection of 5 five education center logos featuring academic themes. Ideal for school, college, university, training, and modern learning branding identity

HR announcing reskilling program speech bubble flat. A female presenter stands addressing a group of diverse adults seated, all attentively listening. She holds. A female presenter stands addressing a group of diverse adults seated, all attentively listening. She holds a tablet and a large speech bubble above her illustrates a sequence: a book, laptop, gear, brain, group of people, and a star, symbolizing a reskilling process. The background features abstract, colorful shapes and plant-like motifs, complementing the educational theme.

Book with graduation cap icon - education and graduation symbol. Dark blue icon depicting a book topped with a graduation cap, symbolizing education and. Dark blue icon depicting a book topped with a graduation cap, symbolizing education and achievement. The cap features a tassel hanging on the right side. The book is upright with visible spine and pages, reinforcing themes of learning and academic success. The minimalist design uses simple shapes and solid color, suitable for educational materials and institutions.

Set of University and College Campus Icons and Symbols. A comprehensive collection of flat icons representing university and college campus services, including. A comprehensive collection of flat icons representing university and college campus services, including main campus buildings, academics, student services, schedules, user profiles, grades, online courses, library research, messaging, financial aid, tuition, forms, and housing. Designed in a clean, modern gray style with clear text labels, this graphic set is ideal for educational websites, mobile applications, student portals, brochures, and e-learning platforms to enhance user navigation and visual appeal.

Two People Conversing With Language Symbols Line And Solid Icon Set. Multilingual Communication And Translation Symbol. Collection. Language Exchange And. Two People Conversing With Language Symbols Line And Solid Icon Set. Multilingual Communication And Translation Symbol Collection. Language Exchange And Learning. Isolated Vector Illustration.

Artificial Intelligence Chatbot and Assistant Mobile App Concept. An illustrated graphic depicting an artificial intelligence chatbot and virtual assistant. An illustrated graphic depicting an artificial intelligence chatbot and virtual assistant interface on a smartphone screen. The design features a human interacting with a cute robot avatar, speech bubbles, digital icons like a lightbulb for ideas, a settings gear, and audio waves representing voice commands. Perfect for concepts related to machine learning, customer support automation, modern technology, mobile apps, artificial intelligence integration, and digital communication solutions.

Globe and book logo with world map and education symbol. This image was created using Generative AI. Logo featuring a globe, book, and world map, representing. This image was created using Generative AI. Logo featuring a globe, book, and world map, representing global education and learning

Bite-sized Lessons icon with cake and pencil symbol. This image was created using Generative AI. Bite-sized Lessons logo with cake and pencil, education concept. This image was created using Generative AI. Bite-sized Lessons logo with cake and pencil, education concept, learning symbol

AI Vision Logo Futuristic Tech Digital Eye Logo Branding. AI Vision logo delivers a cutting-edge visual identity for modern software startups, and this AI Vision. AI Vision logo delivers a cutting-edge visual identity for modern software startups, and this AI Vision logo ensures technological trust. As a dedicated AI Vision logo, the emblem effectively communicates intelligence to users seeking advanced tools. Every AI Vision logo features an intricate circuit design suitable for machine learning platforms, computer vision agencies, or tech enterprises demanding a professional graphic mark.

Webinar session icon showing online speaker communicating with audience through laptop meeting platform. Laptop screen displaying webinar session where speaker. Laptop screen displaying webinar session where speaker communicates with remote audience using online platform. Concept of digital seminar education communication and professional learning

Sleepmaxxing. Flat Vector Illustration. Sleepmaxxing concept. Diverse group engaging in a sleep enhancement program. Modern techniques for improved rest and. Sleepmaxxing concept. Diverse group engaging in a sleep enhancement program. Modern techniques for improved rest and performance. Vector illustration.

Graduation cap on laptop screen with education icons. This image was created using Generative AI. Laptop with graduation cap on screen and education icons above. This image was created using Generative AI. Laptop with graduation cap on screen and education icons above, symbolizing online learning

Team of children intellectuals cartoon characters playing competitive quiz game participating show. Team of children intellectuals cartoon characters playing. Team of children intellectuals cartoon characters playing competitive quiz game participating live show vector illustration. Childish media entertainment, education program for smart kids concept

Academic Graduation Icon Set for Learning and Success Themes. Elegant graduation icon pack suitable for college, student achievements, and educational. Elegant graduation icon pack suitable for college, student achievements, and educational illustrations.

Abstract AI Technology Badge with Circuit Board Design. A modern vector illustration of a futuristic artificial intelligence logo. The design features a glossy. A modern vector illustration of a futuristic artificial intelligence logo. The design features a glossy blue hexagon badge with light blue accents. In the center, the letters AI are displayed in bold white font with circuit board traces and nodes extending outward, symbolizing connectivity and computing power. Text elements ARSTRACIC and PERFORUMENCE frame the central letters. This clean, high-tech graphic is ideal for concepts related to machine learning, neural networks, advanced computing, smart technology, and digital innovation.

A English Language Day Cartoon T-Shirt Design Cute School Book Character Tee Teacher Student Apparel PNG. This charming English Language Day t-shirt design. This charming English Language Day t-shirt design features a happy cartoon book character surrounded by educational elements like globe, apple, graduation hat and ABC text. The bright and playful illustration makes it ideal for school celebrations, classroom activities, English teachers and language learning programs. The design is prepared in high resolution 300 DPI to ensure excellent print quality on any apparel product. You will receive a fully editable vector file, allowing you to customize text, colors and layout easily. The background is fully transparent, making it suitable for printing on any fabric color without additional editing work. If needed, you can remove the t-shirt mockup and use only the artwork for posters, stickers, mugs, notebooks, flyers or other creative projects. This design is print-ready and suitable for both commercial and personal use. It is perfect for uploading to Dreamstime and other print-on-demand marketplaces. A great choice for teachers, students and educational institutions celebrating English Language Day.

Traineeship program flowchart with skills and progress. This image was created using Generative AI. Infographic illustrating traineeship journey with application. This image was created using Generative AI. Infographic illustrating traineeship journey with application, assessment, skills, leadership, tasks, and progress

Chatbot Artificial Intelligence Line Icons Collection. A clean set of thirty-two black thin line icons on white background featuring chatbots, robots, speech. A clean set of thirty-two black thin line icons on white background featuring chatbots, robots, speech bubbles, gears, binary code, neural networks and support symbols. Minimalist outline style illustrates concepts of artificial intelligence, machine learning, virtual assistance, automated customer service and digital communication. Perfect for web design, mobile apps, presentations, infographics and technology projects requiring modern AI and chatbot graphics.

Kids show on TV black and white line illustration. Woman and puppets children 2D character monochrome background. Puppetry entertainment on television. Funny

Education logo designs with tablet and graduation cap. A collection of purple education logo designs featuring tablets, graduation caps, and ribbons, ideal for. A collection of purple education logo designs featuring tablets, graduation caps, and ribbons, ideal for educational institutions or online learning platforms

3D Character Male Student Studying Online with Laptop. A 3D cartoon male student sitting cross-legged with a laptop computer, studying online. A blue graduation. A 3D cartoon male student sitting cross-legged with a laptop computer, studying online. A blue graduation cap floats nearby on a clean white background. Perfect for representing e-learning, distance education, academic graduation, online courses, software training, digital literacy, and modern student lifestyle concepts in educational marketing materials.

Flat Graduation Icon Collection for School and College Designs. Modern flat graduation icon collection designed for university, learning, and academic success. Modern flat graduation icon collection designed for university, learning, and academic success themes.

Isometric AI Microchip Processor Icon on White Background. An isometric vector illustration of a computer processor chip featuring the letters 'AI' on the. An isometric vector illustration of a computer processor chip featuring the letters 'AI' on the central die. The microchip displays grey and black components, a light blue border, and silver circuit traces. Set against a white background, this graphic represents artificial intelligence, machine learning, and advanced hardware engineering. Ideal for tech-themed designs and presentations.

A calendar with marked dates for mentorship sessions workshops and pitch events emphasizing the structured timeline of. An accelerator program. AI generated

Online training icon showing instructor teaching remote audience through computer screen education platform. Instructor presenting lesson to remote audience. Instructor presenting lesson to remote audience through computer screen. Concept of digital education distance learning professional development and online classroom environment

Online Education Concept: Graduation Cap and Diploma on a Laptop Screen. Illustration of a graduation cap and diploma displayed on a laptop screen, representing. Illustration of a graduation cap and diploma displayed on a laptop screen, representing online education and learning.

Hand pointing to open book in circle icon education symbol. This image was created using Generative AI. A hand pointing to an open book in a circle icon. This image was created using Generative AI. A hand pointing to an open book in a circle icon representing education and learning

Online education network graphic with graduation cap and devices. Flat graphic showing a graduation cap linked to network devices, symbolizing online learning. Flat graphic showing a graduation cap linked to network devices, symbolizing online learning and global education networks. Centered composition and style.

Education and learning through digital online academic platforms. Digital illustration of online education elements includes graduation cap notebook and person. Digital illustration of online education elements includes graduation cap notebook and person on a White Backround. Flat graphic style design.

Graduation cap on computer indicates online learning achievement. Stylized flat illustration of a graduation cap atop a computer signifying online academic. Stylized flat illustration of a graduation cap atop a computer signifying online academic achievement. The composition uses a limited color palette.

AI Processor Microchip and Circuit Board Vector Illustration. A flat vector illustration of a computer microchip representing artificial intelligence (AI). The. A flat vector illustration of a computer microchip representing artificial intelligence (AI). The central processor features the letters AI surrounded by circuit board connections and nodes. This clean, modern graphic is perfect for technology, computing, machine learning, and future innovation concepts.

White Online education and graduation icon isolated on white background. Online teacher on monitor. Webinar and video. Seminar learning. Orange and pink. White Online education and graduation icon isolated on white background. Online teacher on monitor. Webinar and video seminar learning. Orange and pink gradient circle background. Vector.

Student experience icons on white background with blue text. This image was created using Generative AI. A set of student experience icons on a white background. This image was created using Generative AI. A set of student experience icons on a white background with blue text, representing online learning

Kids on Field Trip Exploring Landmark, Educational Journey, vector design Generative AI. A charming illustration of children on a field trip, eagerly exploring a. A charming illustration of children on a field trip, eagerly exploring a landmark building, guided by an adult. This image captures the excitement of educational journeys, historical learning, and group discovery. Ideal for school brochures, cultural programs, or family travel content, vector design Generative AI

School Building with Bus, Education and Academic Environment, vector design Generative AI. A detailed isometric illustration of a school building with a classic. A detailed isometric illustration of a school building with a classic yellow school bus parked outside. This scene represents education, academic environments, and childhood learning, perfect for educational institutions, school programs, or back-to-school themes, highlighting community and development, vector design Generative AI

Modern Graduation Icon Pack for University and Education Concepts. Stylish academic graduation icons created for e-learning, school branding, and celebration. Stylish academic graduation icons created for e-learning, school branding, and celebration designs.

Artificial Intelligence Circuit Board with Glowing Brain Core. A detailed of a futuristic motherboard or circuit board featuring a central glowing blue brain. A detailed of a futuristic motherboard or circuit board featuring a central glowing blue brain icon representing artificial intelligence. The intricate design includes digital pathways, microchips, processors, and geometric panels in shades of blue, grey, and silver. This technological concept art is perfect for projects related to AI, machine learning, neural networks, cybernetics, computer science, advanced technology, data processing, futuristic engineering, and digital innovation.

Online education depicted with graduation cap and monitor display. Flat style vector depicts a computer monitor displaying a graduation cap and educational. Flat style vector depicts a computer monitor displaying a graduation cap and educational content for online learning experiences.

Voice Recognition and Artificial Intelligence Technology Icons. A comprehensive icon set illustrating voice recognition, artificial intelligence, and audio. A comprehensive icon set illustrating voice recognition, artificial intelligence, and audio processing technologies. The collection features minimalist flat design elements including microphones, sound waves, neural networks, speech bubbles, and digital analytics charts. Rendered in a cohesive teal, blue, and purple color palette on a white background, these symbols are ideal for user interfaces, mobile applications, and tech presentations related to smart assistants, voice search, and machine learning.

Cartoon chalkboard with title SCHOLS for learning opportunity list. Cartoon illustration of chalkboard with title SCHOLS and blank lists, golden frame, light. Cartoon illustration of chalkboard with title SCHOLS and blank lists, golden frame, light blue list lines on a White Backround.

Training Program Process on a Spiral Notebook with Index Tabs. Training and development process on a spiral notebook page with six colored index tabs. Training and development process on a spiral notebook page with six colored index tabs, handwritten style headings and ruled lines

Vector art of online education icon featuring a graduation cap and students on a computer screen, symbolizing elearning and. A vibrant icon representing online. A vibrant icon representing online education, featuring a graduation cap and students on a computer screen, symbolizing e-learning and virtual classrooms. A modern design

Robot standing near analytics interface screen representing artificial intelligence and technology. Robot standing beside a minimalistic interface screen with. Robot standing beside a minimalistic interface screen with data graphs and text layout. Ideal for technology, artificial intelligence, automation, machine learning, future innovation, robotics, data

Education. Flat Vector Illustration. Education set. Innovative learning methods with technology integration. Blended learning, gamification, virtual reality. Education set. Innovative learning methods with technology integration. Blended learning, gamification, virtual reality, lifelong education strategies. Vector illustration.