Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Pedestrian Navigation(also: Pedestrian Wayfinding, On-Foot Navigation)
- Pedestrian navigation refers to wayfinding and route-following on foot in outdoor environments, including sidewalks, crosswalks, public transit access points, and shared streets. For blind and low vision users, people with cognitive disabilities, and wheelchair users, the…
- Power Assist Device(also: Power assist wheel, Pushrim-activated power-assisted wheelchair, PAPAW)
- A motorized attachment that adds electric propulsion assistance to a manual wheelchair without converting it into a full power wheelchair. Power assist devices typically attach to the wheelchair frame, wheels, or axle and amplify the user's pushing force, reducing physical…
- Power Wheelchair(also: Electric Wheelchair, Motorized Wheelchair, Power Chair)
- A wheelchair propelled by an electric motor rather than manual pushing, essential for people with severe motor disabilities who lack the upper body strength or dexterity to operate a manual wheelchair. Power wheelchairs are typically controlled through joysticks, but alternative…
- Power-Assist Add-On(also: Power Assist, Power-Assist Device, Wheelchair Power Assist)
- A power-assist add-on is a retrofit device attached to a manual wheelchair that provides motorized propulsion while preserving the chair's manual structure, offering a middle ground between manual and full power wheelchairs. Commercial examples include the SmartDrive, Firefly,…
- Powered Wheelchair(also: Electric Wheelchair, Motorized Wheelchair, Power Chair)
- A wheelchair propelled by an electric motor and battery system rather than manual effort, typically controlled via a joystick or alternative input device. Powered wheelchairs are essential mobility aids for individuals who lack the upper body strength or coordination to operate…
- Public Transport Accessibility(also: Transit Accessibility, Accessible Public Transportation)
- The design of buses, trains, stations, stops, timetables, and associated services to be usable by people with all types of disabilities. This includes physical features (ramps, lifts, tactile paving, audio announcements), information accessibility (large print, screen reader…
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