Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Long Description(also: Extended Description, longdesc)
- A detailed textual description of an image or other non-text content that goes beyond the brief summary provided by alt text. Long descriptions are used for complex images such as charts, diagrams, infographics, or detailed illustrations where a short alt text cannot convey all…
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