Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Pacing Aid(also: Pacing System, Time Management Aid)
- An assistive technology that helps individuals with cognitive impairments manage the timing and sequence of activities in daily routines. Pacing aids provide cues — visual, auditory, or tactile — to indicate whether the user is on schedule, ahead, or behind, without requiring…
- Parcel Locker(also: Package Locker, Smart Locker, Delivery Locker)
- A self-service pickup cabinet where e-commerce parcels are deposited by couriers and retrieved by recipients using a code, QR scan, or mobile-app unlock. Parcel lockers are increasingly mandatory in apartment buildings and urban fulfilment networks. Accessibility barriers are…
- Personal Care Assistant(also: PCA, Personal Care Attendant, Personal Support Worker)
- A person who provides hands-on assistance with activities of daily living (ADLs) to people with disabilities or older adults who need support with tasks such as bathing, dressing, toileting, grooming, eating, and transferring. PCAs may be formally employed through agencies or…
- Product Identification(also: Product Recognition)
- The task of determining what a packaged or unpackaged product is from visual (or other sensory) input, at a level of detail useful to an end user: generic type (soup, cereal, shampoo), brand (Campbell's, Kellogg's, Dove), and variety or flavour (tomato vs. chicken noodle; 90%…
- Product Manual(also: Instruction Manual, User Manual, OEM Manual)
- The documentation shipped with a consumer product that explains how to assemble, operate, and troubleshoot it. Product manuals come as paper booklets, fold-out sheets, PDFs, web pages, or occasionally audio. They are a chronic accessibility problem for blind and low-vision users…
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