46,305 Portion Vectors, Clipart, Icons, Backgrounds And Graphic Designs - Ready For Royalty Free Download From Dreamstime`s Creative Contributors.

White background with a wavy design at the bottom. The design consists of three colors: dark green, a lighter green, and a warm golden-orange stripe sandwiched between them. The waves flow smoothly across the bottom, giving a modern and clean appearance. The upper portion is entirely blank, providing ample space for additional content or text. The design is simple and can be used for various applications such as badges, certificates, or other graphic materials. Portion vectors
White background with a wavy design at the bottom. The design consists of three colors: dark green, a lighter green, and a warm golden-orange stripe sandwiched between them. The waves flow smoothly across the bottom, giving a modern and clean appearance. The upper portion is entirely blank, providing ample space for additional content or text. The design is simple and can be used for various applications such as badges, certificates, or other graphic materials. Portion vectors
Banana glyph icons set vector illustration. Stamp of bunch or single whole fruit with skin and trash peel, peeled open banana cut into half portion and circle slices to eat, chopped fresh pieces. Portion vectors
Banana glyph icons set vector illustration. Stamp of bunch or single whole fruit with skin and trash peel, peeled open banana cut into half portion and circle slices to eat, chopped fresh pieces. Portion vectors
Pizza cartoon slice with dripping spicy sauce. Funny rustic pizza piece with cheese and pepperoni, olives and crust. Fast food eating mascot, cartoon gourmet cheesy portion vector illustration. Portion vectors
Pizza cartoon slice with dripping spicy sauce. Funny rustic pizza piece with cheese and pepperoni, olives and crust. Fast food eating mascot, cartoon gourmet cheesy portion vector illustration. Portion vectors
Triangle birthday cake slice with burning candle. Piece of dessert with layers of pink cream and berry decoration. Bday party mascot, cake portion cartoon vector illustration. Portion vectors
Triangle birthday cake slice with burning candle. Piece of dessert with layers of pink cream and berry decoration. Bday party mascot, cake portion cartoon vector illustration. Portion vectors
An illustration of a solar eclipse, with a large red circle representing the sun and a small white circle in the center. A portion of the sun's disk is obscured, simulating the moon blocking the sun's light. The background is black, representing space. Portion vectors
An illustration of a solar eclipse, with a large red circle representing the sun and a small white circle in the center. A portion of the sun's disk is obscured, simulating the moon blocking the sun's light. The background is black, representing space. Portion vectors
Sweet pie with slice, top view vector illustration. Cartoon isolated round sliced cake with crust and pie filling, cut portion for dessert menu of cafe or restaurant, berry or pumpkin triangle piece. Portion vectors
Sweet pie with slice, top view vector illustration. Cartoon isolated round sliced cake with crust and pie filling, cut portion for dessert menu of cafe or restaurant, berry or pumpkin triangle piece. Portion vectors
Osmanli macunu, Turkish dessert glyph icon vector illustration. Stamp of soft sugar toffee paste on wooden stick, sweet Osmanli macunu candy portion for children in street market cafe of Turkey. Portion vectors
Osmanli macunu, Turkish dessert glyph icon vector illustration. Stamp of soft sugar toffee paste on wooden stick, sweet Osmanli macunu candy portion for children in street market cafe of Turkey. Portion vectors
Grilled sausages on rectangular wooden board with knife line icon. Outline hand drawn sketch of bratwurst portion with rosemary serving. BBQ grill menu, mascot, meat sausages vector illustration. Portion vectors
Grilled sausages on rectangular wooden board with knife line icon. Outline hand drawn sketch of bratwurst portion with rosemary serving. BBQ grill menu, mascot, meat sausages vector illustration. Portion vectors
A serving of crispy, golden-brown french fries arranged neatly in a rectangular cardboard tray. The fries are accompanied by a small circular portion of bright red ketchup placed on top of them, ready for dipping. Portion vectors
A serving of crispy, golden-brown french fries arranged neatly in a rectangular cardboard tray. The fries are accompanied by a small circular portion of bright red ketchup placed on top of them, ready for dipping. Portion vectors
Instagram Stories template featuring a minimalist design with a beige background. The top half reads "Creative Solutions" in bold, dark text. A large gray square occupies the center, while the bottom features an orange section. A black circle with "50% OFF" in contrasting text is prominently displayed. Decorative dots appear in the top left corner. Placeholder text fills a portion of the beige section. At the bottom, a "Swipe-Up" call to action with an upward arrow is visible. Portion vectors
Instagram Stories template featuring a minimalist design with a beige background. The top half reads "Creative Solutions" in bold, dark text. A large gray square occupies the center, while the bottom features an orange section. A black circle with "50% OFF" in contrasting text is prominently displayed. Decorative dots appear in the top left corner. Placeholder text fills a portion of the beige section. At the bottom, a "Swipe-Up" call to action with an upward arrow is visible. Portion vectors
Silhouette of a runner over stylized mountains with an orange sunset background. The image is circular with sharp mountain peaks. The lower portion shows grass, and the text "TRAIL RUNNING" is centered below in white. The overall design uses contrasting dark and vibrant colors, giving a dynamic and adventurous feel, suitable for themes related to outdoor activities and sports. Portion vectors
Silhouette of a runner over stylized mountains with an orange sunset background. The image is circular with sharp mountain peaks. The lower portion shows grass, and the text "TRAIL RUNNING" is centered below in white. The overall design uses contrasting dark and vibrant colors, giving a dynamic and adventurous feel, suitable for themes related to outdoor activities and sports. Portion vectors
Delicious pink, strawberry flavour chocolate bar piece, serving illustration isolated. Sweet food, tasty treat, candy bar, dessert clip art, design element. Cacao, cocoa confection. Flat vector. Portion vectors
Delicious pink, strawberry flavour chocolate bar piece, serving illustration isolated. Sweet food, tasty treat, candy bar, dessert clip art, design element. Cacao, cocoa confection. Flat vector. Portion vectors
Pattern brand cereal bag cartoon. variety convenience, portion airtight, ecofriendly recyclable brand cereal bag sign. seamless symbol vector illustration. Portion vectors
Pattern brand cereal bag cartoon. variety convenience, portion airtight, ecofriendly recyclable brand cereal bag sign. seamless symbol vector illustration. Portion vectors
Woman sitting on a pie slice doodle, hand drawn sketch with casual pose, dessert wedge, hatched texture, curved lines. Symbol of choice, portion control, balance. Cartoon vector illustration. Portion vectors
Woman sitting on a pie slice doodle, hand drawn sketch with casual pose, dessert wedge, hatched texture, curved lines. Symbol of choice, portion control, balance. Cartoon vector illustration. Portion vectors
Pattern variety cereal bag cartoon. convenience portion, airtight ecofriendly, recyclable flavor variety cereal bag sign. seamless symbol vector illustration. Portion vectors
Pattern variety cereal bag cartoon. convenience portion, airtight ecofriendly, recyclable flavor variety cereal bag sign. seamless symbol vector illustration. Portion vectors
Pattern nutrition cereal bag cartoon. brand variety, convenience portion, airtight ecofriendly nutrition cereal bag sign. seamless symbol vector illustration. Portion vectors
Pattern nutrition cereal bag cartoon. brand variety, convenience portion, airtight ecofriendly nutrition cereal bag sign. seamless symbol vector illustration. Portion vectors
Deep blue background with flowing golden lines curving gracefully across the upper portion. The smooth, wave-like patterns create a sense of motion and luxury. The contrast between the rich blue and the shimmering gold adds elegance, making it suitable for sophisticated designs or branding. The absence of distinct textures gives it a modern and sleek appearance. Portion vectors
Deep blue background with flowing golden lines curving gracefully across the upper portion. The smooth, wave-like patterns create a sense of motion and luxury. The contrast between the rich blue and the shimmering gold adds elegance, making it suitable for sophisticated designs or branding. The absence of distinct textures gives it a modern and sleek appearance. Portion vectors
Pattern freshness cereal bag cartoon. nutrition brand, variety convenience, portion airtight freshness cereal bag sign. seamless symbol vector illustration. Portion vectors
Pattern freshness cereal bag cartoon. nutrition brand, variety convenience, portion airtight freshness cereal bag sign. seamless symbol vector illustration. Portion vectors
An abstract geometric design of broad, overlapping diagonal bands fills the lower portion of a white canvas. The layered shapes combine deep burgundy and magenta, with subtle gradients and narrow pink accents that create a sense of depth and forward movement. Crisp edges and generous empty space give the composition a clean, contemporary feel suitable as a minimalist background. Portion vectors
An abstract geometric design of broad, overlapping diagonal bands fills the lower portion of a white canvas. The layered shapes combine deep burgundy and magenta, with subtle gradients and narrow pink accents that create a sense of depth and forward movement. Crisp edges and generous empty space give the composition a clean, contemporary feel suitable as a minimalist background. Portion vectors
An abstract vector-style background features layered, flowing bands in deep burgundy and magenta, with a thin gold curve tracing a wave across the lower portion. The smooth gradients and rounded forms create a polished, contemporary decorative design, while generous white space above leaves room for text or other layout elements. Portion vectors
An abstract vector-style background features layered, flowing bands in deep burgundy and magenta, with a thin gold curve tracing a wave across the lower portion. The smooth gradients and rounded forms create a polished, contemporary decorative design, while generous white space above leaves room for text or other layout elements. Portion vectors
A minimalist geometric background features broad, angular wave-like bands in deep burgundy, plum, and vivid magenta across the lower portion of a clean white field. Layered diagonal planes overlap to create subtle depth and contrast, while a large expanse of empty space above keeps the composition open. The saturated colors and crisp forms give the abstract design a polished, contemporary feel suited to a range of visual layouts. Portion vectors
A minimalist geometric background features broad, angular wave-like bands in deep burgundy, plum, and vivid magenta across the lower portion of a clean white field. Layered diagonal planes overlap to create subtle depth and contrast, while a large expanse of empty space above keeps the composition open. The saturated colors and crisp forms give the abstract design a polished, contemporary feel suited to a range of visual layouts. Portion vectors
Layered magenta and burgundy geometric bands sweep inward from both sides, meeting in a sharp valley beneath a broad white upper field. A thin gold line traces across the lower portion, bending at the central junction and adding a refined accent to the clean, abstract composition. The strong diagonal forms, saturated colors, and generous negative space create a polished modern backdrop suitable for luxury-themed design. Portion vectors
Layered magenta and burgundy geometric bands sweep inward from both sides, meeting in a sharp valley beneath a broad white upper field. A thin gold line traces across the lower portion, bending at the central junction and adding a refined accent to the clean, abstract composition. The strong diagonal forms, saturated colors, and generous negative space create a polished modern backdrop suitable for luxury-themed design. Portion vectors
A clean white background is framed along the lower portion by layered, flowing magenta and deep plum waves, accented with narrow gold and pale-yellow curves. The bands sweep downward from the upper left, dip across the center, and rise into a rounded crest at the right, creating a smooth sense of motion. Broad, uncluttered space above the design leaves room for text, while the rich colors and metallic-looking accents give the abstract composition a polished, formal feel. Portion vectors
A clean white background is framed along the lower portion by layered, flowing magenta and deep plum waves, accented with narrow gold and pale-yellow curves. The bands sweep downward from the upper left, dip across the center, and rise into a rounded crest at the right, creating a smooth sense of motion. Broad, uncluttered space above the design leaves room for text, while the rich colors and metallic-looking accents give the abstract composition a polished, formal feel. Portion vectors
A minimalist abstract background features layered, sweeping dark-green curves rising from the lower edge, separated and outlined by slender gold bands. A broad white field fills the upper portion, creating a clean contrast with the rich green and metallic accents. The smooth gradients and flowing lines suggest a polished, contemporary luxury design suitable for elegant layouts or presentation backgrounds. Portion vectors
A minimalist abstract background features layered, sweeping dark-green curves rising from the lower edge, separated and outlined by slender gold bands. A broad white field fills the upper portion, creating a clean contrast with the rich green and metallic accents. The smooth gradients and flowing lines suggest a polished, contemporary luxury design suitable for elegant layouts or presentation backgrounds. Portion vectors
A stylized abstract background features layered, undulating bands of deep green and teal across the lower portion of a white field, traced by a thin golden curve. The smooth shapes rise and dip in a flowing rhythm, with subtle shading adding depth to the otherwise clean, minimal design. Broad white space above contrasts with the darker waves, giving the composition a calm, polished feel suitable for a modern decorative backdrop. Portion vectors
A stylized abstract background features layered, undulating bands of deep green and teal across the lower portion of a white field, traced by a thin golden curve. The smooth shapes rise and dip in a flowing rhythm, with subtle shading adding depth to the otherwise clean, minimal design. Broad white space above contrasts with the darker waves, giving the composition a calm, polished feel suitable for a modern decorative backdrop. Portion vectors
Abstract luxury background with layered magenta and deep plum waves sweeping across the lower portion of a clean white field. Two flowing gold bands trace the curves, their metallic gradient adding a polished contrast as the lines dip toward the center and rise at the right edge. The uncluttered composition and generous white space give the modern design an elegant, refined feel, suitable for a banner or decorative backdrop. Portion vectors
Abstract luxury background with layered magenta and deep plum waves sweeping across the lower portion of a clean white field. Two flowing gold bands trace the curves, their metallic gradient adding a polished contrast as the lines dip toward the center and rise at the right edge. The uncluttered composition and generous white space give the modern design an elegant, refined feel, suitable for a banner or decorative backdrop. Portion vectors
An abstract luxury background features layered, undulating bands of deep green, dark forest green, and a thin gold line sweeping across the lower portion of a clean white field. The smooth curves rise into a rounded crest on the left, dip, then form a broader wave before tapering toward the right edge. Restrained colors, crisp vector-like edges, and generous negative space give the design a polished, modern feel suitable for an elegant backdrop. Portion vectors
An abstract luxury background features layered, undulating bands of deep green, dark forest green, and a thin gold line sweeping across the lower portion of a clean white field. The smooth curves rise into a rounded crest on the left, dip, then form a broader wave before tapering toward the right edge. Restrained colors, crisp vector-like edges, and generous negative space give the design a polished, modern feel suitable for an elegant backdrop. Portion vectors
An abstract luxury background features layered angular bands sweeping diagonally across the lower portion of a clean white field. A broad magenta panel meets a narrow metallic-gold edge, while a lighter gold band above it forms a sharp central dip and rises toward the right. The crisp color contrast and polished gradient finish create a sleek, contemporary design suited to elegant branding or presentation layouts. Portion vectors
An abstract luxury background features layered angular bands sweeping diagonally across the lower portion of a clean white field. A broad magenta panel meets a narrow metallic-gold edge, while a lighter gold band above it forms a sharp central dip and rises toward the right. The crisp color contrast and polished gradient finish create a sleek, contemporary design suited to elegant branding or presentation layouts. Portion vectors
An abstract geometric background features a deep magenta plane rising into angular peaks, edged by layered gold and yellow facets that resemble folded paper or sharp, stylized waves. The shapes sweep across the lower portion of a clean white field, with contrasting metallic tones adding depth and a polished, modern decorative feel. Its crisp, minimal composition and rich color contrast suit luxury-themed design projects, banners, or presentation backdrops. Portion vectors
An abstract geometric background features a deep magenta plane rising into angular peaks, edged by layered gold and yellow facets that resemble folded paper or sharp, stylized waves. The shapes sweep across the lower portion of a clean white field, with contrasting metallic tones adding depth and a polished, modern decorative feel. Its crisp, minimal composition and rich color contrast suit luxury-themed design projects, banners, or presentation backdrops. Portion vectors
Guacamole sauce avocado, isolated set of pesto in bowl. Vector realistic tasty dressing or seasoning for salads and dishes, dip for food. Vegetarian meal, culinary ingredients, portion size. Portion vectors
Guacamole sauce avocado, isolated set of pesto in bowl. Vector realistic tasty dressing or seasoning for salads and dishes, dip for food. Vegetarian meal, culinary ingredients, portion size. Portion vectors
Silhouette of dense grass blades in black, extending horizontally across the bottom portion of a seamless vector image. The grass features various lengths, creating a naturally irregular edge against a stark white background. Ideal for use as a decorative border or design element in graphic projects. The simplicity of the monochrome color scheme highlights the texture and shape of the grass silhouette. Portion vectors
Silhouette of dense grass blades in black, extending horizontally across the bottom portion of a seamless vector image. The grass features various lengths, creating a naturally irregular edge against a stark white background. Ideal for use as a decorative border or design element in graphic projects. The simplicity of the monochrome color scheme highlights the texture and shape of the grass silhouette. Portion vectors
The image features a capital letter "N" with a gradient fill. The top portion is sky blue, transitioning to white in the center, and then to brown at the bottom. The letter has a bold black outline with a shadow effect below, giving it a three-dimensional appearance. The background is plain white, enhancing the focus on the letter itself. Portion vectors
The image features a capital letter "N" with a gradient fill. The top portion is sky blue, transitioning to white in the center, and then to brown at the bottom. The letter has a bold black outline with a shadow effect below, giving it a three-dimensional appearance. The background is plain white, enhancing the focus on the letter itself. Portion vectors
The image depicts a spool of blue and white twisted string. The string is tightly wound around a cylindrical wooden spool, with a small portion of the string unwound and hanging loosely. The string has a distinct twisted pattern, featuring alternating blue and white stripes. The spool is placed against a plain white background, which accentuates the vibrant colors of the string. Portion vectors
The image depicts a spool of blue and white twisted string. The string is tightly wound around a cylindrical wooden spool, with a small portion of the string unwound and hanging loosely. The string has a distinct twisted pattern, featuring alternating blue and white stripes. The spool is placed against a plain white background, which accentuates the vibrant colors of the string. Portion vectors
Sauce splash glyph icon vector illustration. Stamp of ketchup or sweet caramel syrup, tomato sauce spilled swirls, top view of mustard or mayonnaise portion splatters for dressing and seasoning food. Portion vectors
Sauce splash glyph icon vector illustration. Stamp of ketchup or sweet caramel syrup, tomato sauce spilled swirls, top view of mustard or mayonnaise portion splatters for dressing and seasoning food. Portion vectors
Purple plastic measuring scoop for accurate portion control in cooking, baking, supplements and nutritional powders, flat vector illustration on white background, isolated. Portion vectors
Purple plastic measuring scoop for accurate portion control in cooking, baking, supplements and nutritional powders, flat vector illustration on white background, isolated. Portion vectors
This image depicts a simple line drawing of an ancient scroll. The scroll is shown in a vertical orientation, with the top portion rolled inward and the bottom portion extending outward. The scroll appears to be made of parchment or paper, typical of historical documents. The illustration is minimalistic, focusing on the essential shape and form of the scroll without additional details or. Portion vectors
This image depicts a simple line drawing of an ancient scroll. The scroll is shown in a vertical orientation, with the top portion rolled inward and the bottom portion extending outward. The scroll appears to be made of parchment or paper, typical of historical documents. The illustration is minimalistic, focusing on the essential shape and form of the scroll without additional details or. Portion vectors
Red snowflakes of varying sizes are scattered across the top portion of a white background. The snowflakes, intricately designed with symmetrical patterns, create a festive and seasonal atmosphere, typical of a Christmas theme. The larger snowflakes are interspersed with smaller ones, giving a sense of depth and movement. The lower half of the image remains blank, enhancing the visual contrast and focusing attention on the snowflake motif. Portion vectors
Red snowflakes of varying sizes are scattered across the top portion of a white background. The snowflakes, intricately designed with symmetrical patterns, create a festive and seasonal atmosphere, typical of a Christmas theme. The larger snowflakes are interspersed with smaller ones, giving a sense of depth and movement. The lower half of the image remains blank, enhancing the visual contrast and focusing attention on the snowflake motif. Portion vectors
Red and pink snowflakes of various sizes decorate the upper portion of a white background. The snowflakes have intricate patterns, creating a festive and wintery appearance, typically associated with Christmas themes. The design gradually fades towards the bottom, transitioning into a plain white space, ideal for adding text or other elements. The simplicity and elegance of the layout makes it suitable for holiday greetings or seasonal decorations. Portion vectors
Red and pink snowflakes of various sizes decorate the upper portion of a white background. The snowflakes have intricate patterns, creating a festive and wintery appearance, typically associated with Christmas themes. The design gradually fades towards the bottom, transitioning into a plain white space, ideal for adding text or other elements. The simplicity and elegance of the layout makes it suitable for holiday greetings or seasonal decorations. Portion vectors
White background featuring a gradient of red snowflakes concentrated near the bottom. Snowflakes vary in size and pattern, creating a festive, wintery effect. The design is simple and minimalistic, suitable for holiday-themed graphics or festive occasions. The overall atmosphere is light and airy, with ample white space in the upper portion of the image for potential text or additional design elements. Portion vectors
White background featuring a gradient of red snowflakes concentrated near the bottom. Snowflakes vary in size and pattern, creating a festive, wintery effect. The design is simple and minimalistic, suitable for holiday-themed graphics or festive occasions. The overall atmosphere is light and airy, with ample white space in the upper portion of the image for potential text or additional design elements. Portion vectors
Red snowflakes of varying sizes are scattered across the upper portion of a white background, creating a festive, wintry design. The density of the snowflakes decreases as they move downward, giving a sense of snowfall. The snowflakes have intricate, symmetrical patterns, typical of snow crystal designs, contributing to a seasonal and decorative appearance. Portion vectors
Red snowflakes of varying sizes are scattered across the upper portion of a white background, creating a festive, wintry design. The density of the snowflakes decreases as they move downward, giving a sense of snowfall. The snowflakes have intricate, symmetrical patterns, typical of snow crystal designs, contributing to a seasonal and decorative appearance. Portion vectors
Red snowflakes of varying sizes scatter across the top portion of a white background. The design creates a festive and wintry atmosphere, suitable for Christmas-themed use. The snowflakes are detailed and arranged densely at the top, gradually dispersing downward, creating a gradient effect. The simplicity of the design offers ample space for overlaying text or other elements, making it versatile for holiday cards or seasonal advertising. Portion vectors
Red snowflakes of varying sizes scatter across the top portion of a white background. The design creates a festive and wintry atmosphere, suitable for Christmas-themed use. The snowflakes are detailed and arranged densely at the top, gradually dispersing downward, creating a gradient effect. The simplicity of the design offers ample space for overlaying text or other elements, making it versatile for holiday cards or seasonal advertising. Portion vectors
Red snowflakes of varying sizes are scattered across the lower portion of a white background. The snowflakes display intricate, symmetrical designs, creating a festive, wintry atmosphere. The upper portion remains blank, enhancing the contrast and drawing attention to the snowflake pattern. Portion vectors
Red snowflakes of varying sizes are scattered across the lower portion of a white background. The snowflakes display intricate, symmetrical designs, creating a festive, wintry atmosphere. The upper portion remains blank, enhancing the contrast and drawing attention to the snowflake pattern. Portion vectors
A minimalist abstract graphic layers long angular bands of deep burgundy and magenta with narrow metallic-gold accents across the lower portion of a clean white field. Sharp slanted ends and subtle color gradients give the flat shapes a sleek, dimensional appearance, while the broad empty space above creates strong visual balance. The restrained palette and polished geometry suggest a refined, contemporary backdrop for editorial layouts, titles, or presentation design. Portion vectors
A minimalist abstract graphic layers long angular bands of deep burgundy and magenta with narrow metallic-gold accents across the lower portion of a clean white field. Sharp slanted ends and subtle color gradients give the flat shapes a sleek, dimensional appearance, while the broad empty space above creates strong visual balance. The restrained palette and polished geometry suggest a refined, contemporary backdrop for editorial layouts, titles, or presentation design. Portion vectors
An abstract graphic features sweeping layers of deep magenta and metallic gold across the lower portion of a clean white background. The curved bands descend from the left edge, dip, then rise into a shallow crest before flowing toward the right, with subtle gradients and highlights giving the gold a reflective appearance. Generous white space above and the rich color contrast create a polished, elegant atmosphere suited to a refined background design. Portion vectors
An abstract graphic features sweeping layers of deep magenta and metallic gold across the lower portion of a clean white background. The curved bands descend from the left edge, dip, then rise into a shallow crest before flowing toward the right, with subtle gradients and highlights giving the gold a reflective appearance. Generous white space above and the rich color contrast create a polished, elegant atmosphere suited to a refined background design. Portion vectors
An abstract graphic features layered, flowing bands of gold and green sweeping across the lower portion of a white background. The gold gradient shifts from deep bronze to luminous yellow, while the green band transitions from brighter green at the left to dark forest green at the right. Smooth curves and metallic-looking color contrasts create a polished, elegant backdrop with generous open space above. Portion vectors
An abstract graphic features layered, flowing bands of gold and green sweeping across the lower portion of a white background. The gold gradient shifts from deep bronze to luminous yellow, while the green band transitions from brighter green at the left to dark forest green at the right. Smooth curves and metallic-looking color contrasts create a polished, elegant backdrop with generous open space above. Portion vectors