Glossary
Terms used in accessibility research and practice. Each entry has a definition, common aliases, and category tags.
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- Scrubbing(also: Video Scrubbing, Timeline Scrubbing)
- The interaction of dragging a playhead across a video or audio timeline to preview content at arbitrary positions, typically with real-time visual or audio feedback. Scrubbing is ubiquitous in video editors, NLEs, DAWs, and subtitle-authoring tools. From an accessibility…
- Signifier(also: Perceived Affordance)
- A perceptible cue — visual, auditory, or tactile — that indicates how an element can or should be used, making an underlying affordance discoverable. In Don Norman’s refinement of affordance theory, the affordance is the action possibility, and the signifier is the signal that…
- Simplified Interface(also: Reduced Complexity Interface, Easy Mode)
- A user interface design that intentionally reduces the number of features, options, and interaction steps to make a product or service accessible to users who would be overwhelmed by a standard interface. Simplified interfaces typically remove non-essential functionality,…
- Slider(also: Content Slider, Swipe Slider)
- A UI pattern where content items are arranged horizontally and navigated by swiping or tapping arrow controls, exposing one or a few items at a time. Unlike carousels, sliders typically do not auto-advance. Accessibility concerns overlap with carousels: keyboard access,…
- Stepper(also: Step Indicator, Wizard Stepper)
- A UI pattern that breaks a multi-step process — such as checkout, registration, or booking — into numbered or labeled stages with a visual progress indicator. Steppers reduce cognitive load by showing users where they are, what they have completed, and what remains, and are…
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