| Definition |
Aspect ratio is the proportional relationship between the width and height of an image, page, screen, video frame, or other rectangular space.
Aspect Ratio is a Web document-structure concept used to define, organize, or describe content rendered by browsers.
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| Context & Usage |
Writers, designers, and publishers use aspect ratio when preparing screenshots, videos, diagrams, responsive layouts, and printed materials so visual content fits the intended output without distortion or unwanted cropping.
Authors, front-end developers, accessibility specialists, and technical writers use this concept when creating meaningful page structure and browser-readable content.
Related concepts include Hypertext Markup Language.
Additional Resource: MDN Web Docs Glossary.
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