14,533 Scribbles Vectors, Clipart, Icons, Backgrounds And Graphic Designs - Ready For Royalty Free Download From Dreamstime`s Creative Contributors.

Handwritten travel notes on white paper background. Vector realistic illustration of abstract text scribbles, cursive scripts icons on diary page, vintage letter, old message written with black ink. Scribbles vectors
Handwritten travel notes on white paper background. Vector realistic illustration of abstract text scribbles, cursive scripts icons on diary page, vintage letter, old message written with black ink. Scribbles vectors
A flat of a person seated at a desk, appearing stressed. Surrounding them are icons of clocks, calendars, hourglasses, and scribbles symbolizing time-related pressure. The individual is writing in a notebook beside a laptop, with a mug, books, and potted plant on the desk. The uses soft pastel colors and clean lines to depict the concept of time management and stress. Scribbles vectors
A flat of a person seated at a desk, appearing stressed. Surrounding them are icons of clocks, calendars, hourglasses, and scribbles symbolizing time-related pressure. The individual is writing in a notebook beside a laptop, with a mug, books, and potted plant on the desk. The uses soft pastel colors and clean lines to depict the concept of time management and stress. Scribbles vectors
Collection of diverse hand drawn doodle icons representing a wide range of everyday objects, activities, concepts, and digital elements on a white background. Scribbles vectors
Collection of diverse hand drawn doodle icons representing a wide range of everyday objects, activities, concepts, and digital elements on a white background. Scribbles vectors
Kid rainbow school seamless patterns set with colorful doodles - cheerful animals faces and hearts, bright striped lines and circles. Playful swirls and scribbles for children educational decor. Scribbles vectors
Kid rainbow school seamless patterns set with colorful doodles - cheerful animals faces and hearts, bright striped lines and circles. Playful swirls and scribbles for children educational decor. Scribbles vectors
Retro paper notebook elements with adhesive tape strips, torn edges texture, clip and pins, realistic vector background. Scrapbook stickers, y2k collage design with doodle scribbles, school frames. Scribbles vectors
Retro paper notebook elements with adhesive tape strips, torn edges texture, clip and pins, realistic vector background. Scrapbook stickers, y2k collage design with doodle scribbles, school frames. Scribbles vectors
Hand drawn crayon grid set with crosshatch patterns, scribbles and messy lines for artistic texture. Black ink sketches with wavy marks, diagonal mesh and rough shapes. Sketchy graphic elements. Scribbles vectors
Hand drawn crayon grid set with crosshatch patterns, scribbles and messy lines for artistic texture. Black ink sketches with wavy marks, diagonal mesh and rough shapes. Sketchy graphic elements. Scribbles vectors
Digital writing pads are ideal for drawing, taking notes, or practicing handwriting, offering a reusable, paperless solution for both education and creative endeavors. Scribbles vectors
Digital writing pads are ideal for drawing, taking notes, or practicing handwriting, offering a reusable, paperless solution for both education and creative endeavors. Scribbles vectors
Dogs, charcoal sketch drawings set. Chalk scribbles, funny puppy heads. Outline hand-drawn line art doodles, cute canine animals in whimsical sketchy style. Creative handdrawn vector illustrations Stock Vector. Scribbles vectors
Dogs, charcoal sketch drawings set. Chalk scribbles, funny puppy heads. Outline hand-drawn line art doodles, cute canine animals in whimsical sketchy style. Creative handdrawn vector illustrations Stock Vector. Scribbles vectors
Collection of baby squiggle patterns with colorful hand drawn crayon scribbles, hearts, stars, spirals, strokes and abstract marks. Coordinated seamless backgrounds for nursery, kids fabric, textile and wallpaper. Scribbles vectors
Collection of baby squiggle patterns with colorful hand drawn crayon scribbles, hearts, stars, spirals, strokes and abstract marks. Coordinated seamless backgrounds for nursery, kids fabric, textile and wallpaper. Scribbles vectors
Expressive grunge texture with dynamic brushstrokes,sharp diagonal streaks,rouge paint marks. Graffiti scribbles,bold freeform shapes. Distressed graphic background for posters,packaging,social media,branding. Scribbles vectors
Expressive grunge texture with dynamic brushstrokes,sharp diagonal streaks,rouge paint marks. Graffiti scribbles,bold freeform shapes. Distressed graphic background for posters,packaging,social media,branding. Scribbles vectors
Crayon brush strokes with grid patterns for artistic texture and design elements. Hand drawn checks and crosses, abstract scribbles in gray or black tones. Sketchy overlays and decorative marks. Scribbles vectors
Crayon brush strokes with grid patterns for artistic texture and design elements. Hand drawn checks and crosses, abstract scribbles in gray or black tones. Sketchy overlays and decorative marks. Scribbles vectors
Grunge expressive texture with dynamic curves,rough brushstrokes and irregular painted edges. Funky graffiti scribbles,bold loop shapes. Texture background for posters,packaging,social media,branding. Scribbles vectors
Grunge expressive texture with dynamic curves,rough brushstrokes and irregular painted edges. Funky graffiti scribbles,bold loop shapes. Texture background for posters,packaging,social media,branding. Scribbles vectors
Set of three monochrome hand-drawn crosshatch textures. Grunge and sketch backgrounds with freehand lines, scribbles, smears, and sketch-style patterns. Vector. Scribbles vectors
Set of three monochrome hand-drawn crosshatch textures. Grunge and sketch backgrounds with freehand lines, scribbles, smears, and sketch-style patterns. Vector. Scribbles vectors
Set of two bold red hand-drawn star doodles featuring rough brushstroke edges and overlapping freehand lines. Playful and imperfect star shapes with a casual handmade texture. Perfect for star ratings, reviews, feedback, rewards, achievements, stickers, badges, kids designs and creative graphic projects. Scribbles vectors
Set of two bold red hand-drawn star doodles featuring rough brushstroke edges and overlapping freehand lines. Playful and imperfect star shapes with a casual handmade texture. Perfect for star ratings, reviews, feedback, rewards, achievements, stickers, badges, kids designs and creative graphic projects. Scribbles vectors
Trendy collection featuring abstract organic shapes, stylized botanical leaves, arch, swirls, scribbles, and hand-drawn geometric elements arranged on an off-white background in modern boho style. Scribbles vectors
Trendy collection featuring abstract organic shapes, stylized botanical leaves, arch, swirls, scribbles, and hand-drawn geometric elements arranged on an off-white background in modern boho style. Scribbles vectors
A repeating abstract pattern of thin, irregular mint-green scribbles runs in diagonal rows across a deep teal-blue background. Each mark combines sharp zigzags and elongated strokes, with slight variations in length and spacing that create a hand-drawn quality. The restrained two-color palette and steady repetition give the design a crisp, graphic rhythm suited to a seamless surface pattern. Scribbles vectors
A repeating abstract pattern of thin, irregular mint-green scribbles runs in diagonal rows across a deep teal-blue background. Each mark combines sharp zigzags and elongated strokes, with slight variations in length and spacing that create a hand-drawn quality. The restrained two-color palette and steady repetition give the design a crisp, graphic rhythm suited to a seamless surface pattern. Scribbles vectors
A collection of hand drawn doodle shapes and texture patterns including scribbles, geometric forms, and abstract lines, ideal for decorative design backgrounds. Scribbles vectors
A collection of hand drawn doodle shapes and texture patterns including scribbles, geometric forms, and abstract lines, ideal for decorative design backgrounds. Scribbles vectors
Abstract circular doodle art with blue lines creating a triskelion shape, containing vibrant green, blue, and orange scribbles and spirals, symbolizing dynamic connections and creative energy. Scribbles vectors
Abstract circular doodle art with blue lines creating a triskelion shape, containing vibrant green, blue, and orange scribbles and spirals, symbolizing dynamic connections and creative energy. Scribbles vectors
A seamless background with amusing Karakul sheep. The sheep, as if drawn with chalk on a blackboard, are arranged in a chaotic order. A child's drawing. A sample of fabric, paper, or wallpaper. Vector illustration. Scribbles vectors
A seamless background with amusing Karakul sheep. The sheep, as if drawn with chalk on a blackboard, are arranged in a chaotic order. A child's drawing. A sample of fabric, paper, or wallpaper. Vector illustration. Scribbles vectors
Heart shape filled with rough crayon ring scribbles, hand drawn texture and bold contour. Symbol of love, warmth, handmade craft, and whimsy for cards and decor. Cartoon vector illustration. Scribbles vectors
Heart shape filled with rough crayon ring scribbles, hand drawn texture and bold contour. Symbol of love, warmth, handmade craft, and whimsy for cards and decor. Cartoon vector illustration. Scribbles vectors
Elongated organic doodle with blue outline, dense grey scribbles and a bold orange knot like motif, hand drawn digital sketch conveying motion, texture and playful energy. Scribbles vectors
Elongated organic doodle with blue outline, dense grey scribbles and a bold orange knot like motif, hand drawn digital sketch conveying motion, texture and playful energy. Scribbles vectors
Hand drawn festive christmas ornament doodle featuring vibrant red and green scribbles, blue outline, and a prominent star, symbolizing holiday celebration and winter season decorations. Scribbles vectors
Hand drawn festive christmas ornament doodle featuring vibrant red and green scribbles, blue outline, and a prominent star, symbolizing holiday celebration and winter season decorations. Scribbles vectors
Five abstract black scribble and brush stroke elements on a white background. The top row features three circular scribbles with dense, intertwined lines. The bottom row includes one irregularly shaped scribble that resembles clouds or rough edges and a horizontal brush stroke with sharp, uneven layers. The contrasts are stark, highlighting the irregular textures and shapes characteristic of abstract art. These elements can be used in design for creating dynamic visual effects. Scribbles vectors
Five abstract black scribble and brush stroke elements on a white background. The top row features three circular scribbles with dense, intertwined lines. The bottom row includes one irregularly shaped scribble that resembles clouds or rough edges and a horizontal brush stroke with sharp, uneven layers. The contrasts are stark, highlighting the irregular textures and shapes characteristic of abstract art. These elements can be used in design for creating dynamic visual effects. Scribbles vectors
Grass tufts drawn as swirling scribbles with rough crayon texture and hand-drawn strokes. Symbol of nature, growth, eco freshness, and organic vibe for landscaping themes. Cartoon vector illustration. Scribbles vectors
Grass tufts drawn as swirling scribbles with rough crayon texture and hand-drawn strokes. Symbol of nature, growth, eco freshness, and organic vibe for landscaping themes. Cartoon vector illustration. Scribbles vectors
Yellow highlight marker elements with arrows, checkmarks and hand drawn scribbles for text emphasis or correction marks. Wavy lines, crosses and circles for annotation. Doodle underlining set for note. Scribbles vectors
Yellow highlight marker elements with arrows, checkmarks and hand drawn scribbles for text emphasis or correction marks. Wavy lines, crosses and circles for annotation. Doodle underlining set for note. Scribbles vectors
Red underline brush strokes and pencil marks emphasis element set. Textured chalk pencil marks, crayon scribbles, red color lines. Crayon texture brush str VECTOR. Scribbles vectors
Red underline brush strokes and pencil marks emphasis element set. Textured chalk pencil marks, crayon scribbles, red color lines. Crayon texture brush str VECTOR. Scribbles vectors
Colorful seamless pattern with scattered geometric shapes, curved lines and playful abstract marks. Crayon drawings with rough grainy textures and vibrant colors on a dark grid background. Scribbles vectors
Colorful seamless pattern with scattered geometric shapes, curved lines and playful abstract marks. Crayon drawings with rough grainy textures and vibrant colors on a dark grid background. Scribbles vectors
Colorful crayon doodle squiggle elements set with abstract scribbles and wavy lines. Playful hand drawn chalk sketches for kids design, education, posters, and creative project. Bright confetti vector. Scribbles vectors
Colorful crayon doodle squiggle elements set with abstract scribbles and wavy lines. Playful hand drawn chalk sketches for kids design, education, posters, and creative project. Bright confetti vector. Scribbles vectors
A collage of hand drawn arrows in blue and black, directions, curves, and lines forming a dynamic vector sketch suitable for concepts and flow illustrations. Scribbles vectors
A collage of hand drawn arrows in blue and black, directions, curves, and lines forming a dynamic vector sketch suitable for concepts and flow illustrations. Scribbles vectors
Hand drawn crayon arrows, chalk circles, dot color set. Textured chalk strokes with childlike doodles, dots, scribbles pastel texture pencil underline, sta VECTOR. Scribbles vectors
Hand drawn crayon arrows, chalk circles, dot color set. Textured chalk strokes with childlike doodles, dots, scribbles pastel texture pencil underline, sta VECTOR. Scribbles vectors
Hand drawn crayon arrows, chalk circles, dot color set. Textured chalk strokes with childlike doodles, dots, scribbles pastel texture pencil underline, sta VECTOR. Scribbles vectors
Hand drawn crayon arrows, chalk circles, dot color set. Textured chalk strokes with childlike doodles, dots, scribbles pastel texture pencil underline, sta VECTOR. Scribbles vectors
Dynamic grunge texture with rough curved brushstrokes,irregular paint marks,bold looping squiggles. Graffiti scribbles,freeform paint shape. Distressed texture for posters,packaging,branding. Scribbles vectors
Dynamic grunge texture with rough curved brushstrokes,irregular paint marks,bold looping squiggles. Graffiti scribbles,freeform paint shape. Distressed texture for posters,packaging,branding. Scribbles vectors
A vibrant seamless pattern featuring abstract neon blue and pink hand-drawn doodles, scribbles, swirls, hearts, crowns, and graffiti symbols over a black background. This energetic street art design brings an edgy 90s retro and Y2K aesthetic to youth culture projects. It is perfect for modern streetwear textiles, club banners, wallpaper, stationery, and creative wrapping paper. Scribbles vectors
A vibrant seamless pattern featuring abstract neon blue and pink hand-drawn doodles, scribbles, swirls, hearts, crowns, and graffiti symbols over a black background. This energetic street art design brings an edgy 90s retro and Y2K aesthetic to youth culture projects. It is perfect for modern streetwear textiles, club banners, wallpaper, stationery, and creative wrapping paper. Scribbles vectors
Colorful hand drawn crayon stars for kids with pencil sketch texture. Cute spring doodle elements, sparkle shapes and pastel scribbles for school design, cartoon patterns, magic decoration and fun art. Scribbles vectors
Colorful hand drawn crayon stars for kids with pencil sketch texture. Cute spring doodle elements, sparkle shapes and pastel scribbles for school design, cartoon patterns, magic decoration and fun art. Scribbles vectors
Human head in profile with tangled lines in brain symbolizing confusion, stress, or overthinking. Speech bubble with three question marks. Ideal for mental health, psychology, stress, overthinking. Scribbles vectors
Human head in profile with tangled lines in brain symbolizing confusion, stress, or overthinking. Speech bubble with three question marks. Ideal for mental health, psychology, stress, overthinking. Scribbles vectors
Colorful brush texture set with grunge strokes,dynamic streaks,radial marks and rough painted lines. Funky graffiti scribbles,bold freeform shapes. Abstract textures for packaging,social media,branding. Scribbles vectors
Colorful brush texture set with grunge strokes,dynamic streaks,radial marks and rough painted lines. Funky graffiti scribbles,bold freeform shapes. Abstract textures for packaging,social media,branding. Scribbles vectors
Bright and Colorful Abstract Saeamless Vector Patterns of Vibrant Loops and Shapes. Dopamine Colors Abstract Doodle Print With Vivid Looping Patterns In Pink, Green, And Blue. Energetic Modern Design. Scribbles vectors
Bright and Colorful Abstract Saeamless Vector Patterns of Vibrant Loops and Shapes. Dopamine Colors Abstract Doodle Print With Vivid Looping Patterns In Pink, Green, And Blue. Energetic Modern Design. Scribbles vectors
Hand drawn illustration showing a wide array of conceptual icons including technology, agriculture, health, business processes, and natural elements in a colorful doodle style. Scribbles vectors
Hand drawn illustration showing a wide array of conceptual icons including technology, agriculture, health, business processes, and natural elements in a colorful doodle style. Scribbles vectors
Hand drawn abstract electronic device with a blue frame, yellow scribbles, circular details, and gray control panels, suggesting playful technology and a whimsical digital interface. Scribbles vectors
Hand drawn abstract electronic device with a blue frame, yellow scribbles, circular details, and gray control panels, suggesting playful technology and a whimsical digital interface. Scribbles vectors
Hand drawn spatula illustration featuring bold blue outlines and red and pink scribbles, creating a playful kitchen utensil doodle on a clean white background. Scribbles vectors
Hand drawn spatula illustration featuring bold blue outlines and red and pink scribbles, creating a playful kitchen utensil doodle on a clean white background. Scribbles vectors
Rock music seamless pattern with guitar, skull, punk symbols. Hand drawn doodle scribbles stickers with stars, roses and love heart for rock music backgrou VECTOR. Scribbles vectors
Rock music seamless pattern with guitar, skull, punk symbols. Hand drawn doodle scribbles stickers with stars, roses and love heart for rock music backgrou VECTOR. Scribbles vectors
Mental health, rural living, productivity, time management, work-life balance, emotional wellbeing. Blue sad face with crossed-out scribbles, farm windmill briefcase icons. Mental health and rural. Scribbles vectors
Mental health, rural living, productivity, time management, work-life balance, emotional wellbeing. Blue sad face with crossed-out scribbles, farm windmill briefcase icons. Mental health and rural. Scribbles vectors
Cartoon funny galloping horse in childlike scribble drawing style isolated on white. Naive outline art for cards, clipart symbol collection. Vector illustration. Scribbles vectors
Cartoon funny galloping horse in childlike scribble drawing style isolated on white. Naive outline art for cards, clipart symbol collection. Vector illustration. Scribbles vectors
Color crayon doodle lines set isolated on white background. Vector realistic illustration of colorful marker or pencil scribbles, thin and thick brush strokes with grainy texture, hand drawn scrawls. Scribbles vectors
Color crayon doodle lines set isolated on white background. Vector realistic illustration of colorful marker or pencil scribbles, thin and thick brush strokes with grainy texture, hand drawn scrawls. Scribbles vectors
A versatile pack of hand-sketched directional arrows and accompanying doodled elements like feathers, stars, and hearts. Emphasizes a free-flowing, minimalist artistic style for annotations and decorations. Scribbles vectors
A versatile pack of hand-sketched directional arrows and accompanying doodled elements like feathers, stars, and hearts. Emphasizes a free-flowing, minimalist artistic style for annotations and decorations. Scribbles vectors
Clutch bag outline filled with abstract brown and beige scribbles, hand drawn doodle style on white background, modern fashion accessory icon for boutique design use. Scribbles vectors
Clutch bag outline filled with abstract brown and beige scribbles, hand drawn doodle style on white background, modern fashion accessory icon for boutique design use. Scribbles vectors
A colorful collection of hand drawn motion lines, scribbles, swooshes, arrows, and circles in format for graphic design and document annotation projects. Scribbles vectors
A colorful collection of hand drawn motion lines, scribbles, swooshes, arrows, and circles in format for graphic design and document annotation projects. Scribbles vectors
Abstract brush texture set with grunge strokes,looping forms,diagonal streaks and radial burst shapes. Rough paint marks,graffiti scribbles,bold freeform lines for packaging,banners,branding,covers. Scribbles vectors
Abstract brush texture set with grunge strokes,looping forms,diagonal streaks and radial burst shapes. Rough paint marks,graffiti scribbles,bold freeform lines for packaging,banners,branding,covers. Scribbles vectors
An illustrative conceptual image of an elderly man with an open head showing gears, smoke, scribbles, and stress symbols. The character looks overwhelmed, tired, and anxious, sweating with tears. This represents mental overload, burnout, confusion, stress, psychological pressure, aging, mental health issues, frustration, and hard thinking. Suitable for psychological articles, medical blogs, healthcare campaigns, stress management presentations, and conceptual design projects. Scribbles vectors
An illustrative conceptual image of an elderly man with an open head showing gears, smoke, scribbles, and stress symbols. The character looks overwhelmed, tired, and anxious, sweating with tears. This represents mental overload, burnout, confusion, stress, psychological pressure, aging, mental health issues, frustration, and hard thinking. Suitable for psychological articles, medical blogs, healthcare campaigns, stress management presentations, and conceptual design projects. Scribbles vectors
Interlocking puzzle pieces with one filled with red scribbles and the other with yellow scribbles, illustrating concepts of connection, problem solving, and collaboration. Scribbles vectors
Interlocking puzzle pieces with one filled with red scribbles and the other with yellow scribbles, illustrating concepts of connection, problem solving, and collaboration. Scribbles vectors
Sketchy set featuring hand-drawn zigzags, wavy lines, abstract rhythmic paths, and textured strokes. Clean black ink outlines on a white background provide versatile graphic assets for presentations, annotations, infographics, web design projects, and decorative elements. Scribbles vectors
Sketchy set featuring hand-drawn zigzags, wavy lines, abstract rhythmic paths, and textured strokes. Clean black ink outlines on a white background provide versatile graphic assets for presentations, annotations, infographics, web design projects, and decorative elements. Scribbles vectors
Hand drawn wildflower silhouettes set. Black ink botanical sketches, minimalist floral doodles, wax crayon flower scribbles, charcoal messy plant elements for scrapbooking vector illustration isolated. Scribbles vectors
Hand drawn wildflower silhouettes set. Black ink botanical sketches, minimalist floral doodles, wax crayon flower scribbles, charcoal messy plant elements for scrapbooking vector illustration isolated. Scribbles vectors
Seamless pattern of blue ballpoint pen doodles on squared notebook paper background, filled with repeating hand drawn flowers, stars, hearts, crowns and arrows in a nostalgic school notepad style. Scribbles vectors
Seamless pattern of blue ballpoint pen doodles on squared notebook paper background, filled with repeating hand drawn flowers, stars, hearts, crowns and arrows in a nostalgic school notepad style. Scribbles vectors
A cheerful cartoon illustration depicts a young boy with brown hair and a bright yellow shirt, enthusiastically washing his hands under a running faucet. Bubbles and soap foam overflow from the sink, indicating thorough cleaning. The drawing style is reminiscent of crayon or colored pencil scribbles, giving it a playful and childlike appeal. This image is perfect for educational materials, health awareness campaigns, or any content related to hygiene and childhood. Scribbles vectors
A cheerful cartoon illustration depicts a young boy with brown hair and a bright yellow shirt, enthusiastically washing his hands under a running faucet. Bubbles and soap foam overflow from the sink, indicating thorough cleaning. The drawing style is reminiscent of crayon or colored pencil scribbles, giving it a playful and childlike appeal. This image is perfect for educational materials, health awareness campaigns, or any content related to hygiene and childhood. Scribbles vectors
Concept of problem solving and stress relief with giant marker and eraser removing messy scribbles while people celebrate clarity and success, isolated on white background vector illustration. Scribbles vectors
Concept of problem solving and stress relief with giant marker and eraser removing messy scribbles while people celebrate clarity and success, isolated on white background vector illustration. Scribbles vectors
Polka dots purple, white and black seamless pattern. Chalk kids endless background. Naive simple violet dot ornament repeat cover. Surface pattern scribbles motif. Vector hand drawn illustration. Scribbles vectors
Polka dots purple, white and black seamless pattern. Chalk kids endless background. Naive simple violet dot ornament repeat cover. Surface pattern scribbles motif. Vector hand drawn illustration. Scribbles vectors
Sketchy set featuring hand-drawn rectangular frames, oval borders, textured edges, and abstract scribble patterns. Clean black ink strokes on a white background provide versatile graphic assets for presentations, photo frames, infographics, web design projects, and decorative elements. Scribbles vectors
Sketchy set featuring hand-drawn rectangular frames, oval borders, textured edges, and abstract scribble patterns. Clean black ink strokes on a white background provide versatile graphic assets for presentations, photo frames, infographics, web design projects, and decorative elements. Scribbles vectors
Puzzle pieces with abstract colorful scribbles and surrounding question marks illustrating concepts of problem solving. Challenge. Mystery. Logic. And finding solutions in a game or complex situation. Scribbles vectors
Puzzle pieces with abstract colorful scribbles and surrounding question marks illustrating concepts of problem solving. Challenge. Mystery. Logic. And finding solutions in a game or complex situation. Scribbles vectors
Eight elliptical scribbles are arranged in two columns. The left column features green ellipses, each outlined with a thick, hand-drawn appearance and a slightly tilted orientation. The right column displays similar ellipses in orange, also with a rough, sketched style. Each ellipse appears to be of similar size, with a dynamic, slightly rough texture against a white background, making them prominent and visually distinct. Scribbles vectors
Eight elliptical scribbles are arranged in two columns. The left column features green ellipses, each outlined with a thick, hand-drawn appearance and a slightly tilted orientation. The right column displays similar ellipses in orange, also with a rough, sketched style. Each ellipse appears to be of similar size, with a dynamic, slightly rough texture against a white background, making them prominent and visually distinct. Scribbles vectors