Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Deictic Gesture(also: Pointing Gesture)
- A deictic gesture is a pointing or indicating motion (typically with a finger, but also with gaze, head, or tool) that directs another person's attention to a specific referent in the shared environment. In face-to-face tutoring, deictic gestures are central to effective…
- Hand-Object Interaction(also: Hand-Object Interactions, HOI)
- The full range of physical actions people perform when grasping, touching, holding, manipulating, or gesturing toward objects with their hands. In accessibility research, hand-object interactions are studied as natural intent cues that can drive assistive technology: for blind…
- Split Tap(also: Split Tapping)
- A touchscreen interaction technique where the user holds one finger on a target element while tapping with a second finger to activate it. Split tap allows blind users to explore the screen with one finger to locate elements (hearing each one announced) and then tap elsewhere to…
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