Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- 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…
- Haptic Icon(also: Hapticon)
- A short, structured vibrotactile or force pattern designed to carry meaning in the same way a graphical icon or audio earcon does, allowing users to recognize a category of information — an alert, material, identity, or state — through touch alone. The concept generalizes…
- Haptic Rendering(also: Haptic display rendering)
- The process of computing and outputting touch-based signals — forces, vibrations, textures, or friction — so that a user can perceive virtual or remote objects through the sense of touch. Haptic rendering covers kinesthetic rendering (force feedback via joysticks, exoskeletons,…
- Hearcon(also: 3D Earcon)
- An extension of the earcon concept that adds three-dimensional spatial audio properties to non-speech audio cues used in computer interfaces. While earcons are abstract synthesized sounds that represent interface events or objects, hearcons position these sounds in 3D space…
- Hyperstory(also: Interactive Story, Branching Narrative, Hypertext Story)
- A hyperstory is an interactive, non-linear narrative structure in which users make choices that influence the direction and outcome of the story. Adapted from hypertext concepts, hyperstories combine storytelling with interactive exploration, allowing users to navigate through…
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