Glossary
Searchable terminology from accessibility, web standards, and related fields.
89 results found in input methods.
- Touch Drift (Finger Drift)
- The displacement of a finger's contact point on a touchscreen between the initial finger-down position and the final finger-up position during a single touch interaction. Touch drift measures how far …
- Touch-Free Interaction (Contactless Interaction, No-Touch Interface)
- Interaction with digital systems without physically touching any device surface, achieved through gestures, voice, eye tracking, brain-computer interfaces, or proximity sensors. Touch-free interaction…
- Unimanual Input (One-Handed Input, Single-Handed Interaction)
- Interaction techniques designed to be operated with only one hand, enabling access for users who cannot use both hands due to disability, injury, or situational constraints. In VR contexts, unimanual …
- Unistroke Gesture (Single-Stroke Gesture, Unistroke)
- A unistroke gesture is a shape or symbol drawn in a single continuous stroke on a touch screen or digitizer, which is then recognized by software as a specific command or input. In accessible interfac…
- Voice Command (Voice Control, Spoken Command)
- An input method where users speak predefined words or phrases to control software or perform actions. In assistive technology, voice commands enable hands-free and eyes-free interaction, allowing user…
- Voice Input (Voice Control, Voice Command, Speech Input)
- An input modality that allows users to control devices, enter text, or issue commands using spoken language, typically processed through speech recognition technology. Voice input is an essential acce…
- Voice Recognition (Speech Recognition, Voice Control, Voice Input)
- Technology that identifies and processes human speech to convert it into text or execute commands. Voice recognition serves as a critical assistive technology for people with motor disabilities who ca…
- Word Prediction (Predictive Text, Word Completion)
- A text input feature that suggests complete words based on the characters already typed, using language models to anticipate the most likely intended word. In assistive technology, word prediction is …
- Wrist Gesture (Wrist-Based Gesture, Hand Gesture Input)
- A movement of the wrist or hand used as an input command for interacting with wearable devices, particularly smartwatches. Wrist gestures enable one-handed, eyes-free interaction by allowing users to …