Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Link Context(also: Anchor Context, Link Surrounding Context)
- The text and information surrounding a hypertext link that helps users understand the link's purpose and destination. For sighted users, link context is often apparent from the visual layout — headings, images, and nearby text provide clues about what a link does. For screen…
- Link Purpose(also: Link Purpose (In Context), WCAG 2.4.4, Link Text)
- A WCAG 2.4.4 Level A success criterion requiring that the purpose of each link be determinable from the link text alone, or from the link text together with its programmatically determined context (surrounding sentence, list item, table cell, containing paragraph). Links worded…
- 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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