Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Occlusion(also: Hand Occlusion, Finger Occlusion, Visual Occlusion)
- In the context of touchscreen and pen-based interaction, occlusion refers to the user's hand or finger blocking their view of content on the screen while interacting with it. Occlusion is a significant accessibility barrier, particularly for older adults and users with motor…
- Overshoot(also: Cursor Overshoot, Target Overshoot)
- In pointing device interaction, the phenomenon where the cursor travels beyond the intended target before the user can stop it, requiring corrective movements back toward the target. Overshoot is measured as the maximum distance traveled beyond the target as a percentage of the…
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