Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- False Activation(also: Accidental Activation, Unintended Gesture)
- An interaction error in gesture-based systems where the system incorrectly interprets a user's resting hand position or unintentional movement as a deliberate input command. In virtual reality, false activations are particularly problematic for users with motor impairments whose…
- Free-Roam Locomotion(also: Room-Scale VR, Physical Locomotion)
- A VR locomotion method where the user's real-world physical movement is directly mapped to movement in the virtual environment—walking forward in the real room moves the user forward in VR. While free-roam provides the most natural and immersive movement experience, it presents…
- Freehand Gesture Interaction(also: Hand Tracking Interaction, Controller-Free Interaction)
- An input method for virtual and mixed reality systems that uses camera-based hand tracking to detect and interpret natural hand movements without requiring physical controllers. Freehand gestures such as pinching, grasping, pointing, and swiping are increasingly the default…
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