Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Page Landmarks(also: ARIA Landmarks, Landmark Regions, Landmark Roles)
- Named regions of a web page that identify its high-level structure — for example banner, navigation, main, complementary, search, form, contentinfo — so that assistive technology can expose them as jump targets. Landmarks are typically declared with semantic HTML elements…
- Perceptual Congruence(also: Perceptually Congruent Structure)
- A design principle for accessible representations that requires the structure of a non-visual interface (such as a screen reader navigation tree) to mirror the visual structure of the original graphical representation. A perceptually congruent screen reader structure preserves…
- Press-and-Listen Paradigm(also: Sequential Navigation, Linear Content Consumption)
- The fundamental interaction model of screen reader assistive technology, where users press keyboard shortcuts to move through web content elements one at a time and listen to each element being announced sequentially. This paradigm transforms the two-dimensional graphical…
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