Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Graphic Transcription(also: Image Transcription, Accessible Graphic Transcription)
- The process of converting visual graphics (charts, maps, floor plans, diagrams) into formats accessible to blind and visually impaired users, such as tactile graphics, audio descriptions, or interactive multimodal representations using sonification and speech. Graphic…
- Grasp Aperture(also: Hand Aperture, Finger Aperture)
- Grasp aperture is the distance between the thumb and opposing finger(s) as the hand opens to receive an object during a reach. It scales with perceived object size, peaks before contact at a value typically larger than the object itself, and then closes to grip - a well-studied…
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