Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 279 of 333
- State Abstraction (Page State Abstraction, State Grouping)
- In automated web GUI testing, state abstraction is the process of grouping web pages that exhibit the same behaviour from a testing perspective into a single representative state. Effective state abst…
- Static Accessibility Analysis (Static A11y Analysis, Source Code Accessibility Analysis)
- An approach to detecting accessibility issues by examining an application's source code, layout files, or configuration without actually running the application. In mobile development, this typically …
- Statistical Graph (Statistical Chart, Data Graph, Quantitative Graph)
- A visual representation of numerical or statistical data using geometric elements such as lines, bars, points, or areas to convey patterns, trends, relationships, and comparisons. Common types include…
- Steady Tapping
- The ability to place a finger on a touchscreen target and hold it still long enough for the system to register a deliberate tap, as opposed to the unintentional movements caused by hand tremor. For us…
- Steering Law (Accot-Zhai Steering Law)
- A predictive model of human movement describing the time required to navigate a cursor through a constrained path, such as a tunnel or curved corridor on screen. Proposed by Accot and Zhai as an exten…
- Stemming (Word Stemming, Suffix Stripping)
- Stemming is a natural-language-processing technique that reduces inflected or derived words to their base or root form — 'running', 'runs', and 'ran' all map to the stem 'run'. The Porter stemmer (198…
- Stenographer (Stenocaptioner, Court Reporter)
- A trained professional who produces real-time verbatim transcription of speech, typically using a stenotype machine that maps chorded key combinations to phonetic syllables. In accessibility contexts,…
- Stenographic Keyboard (Steno Machine, Stenotype, Shorthand Keyboard)
- A specialized keyboard used by CART captioners and court reporters that allows simultaneous pressing of multiple keys to represent syllables, words, or phrases in a single stroke, enabling transcripti…
- Stenotype (Stenography, Shorthand Typing, Machine Shorthand, Chording)
- A specialised text-entry method that uses a keyboard with fewer keys than a standard QWERTY layout, where multiple keys are pressed simultaneously (chording) to represent phonetic sounds, syllables, o…
- Step-Free Access (Level Access, Barrier-Free Access)
- A route or entrance to a building, transport station, or public space that does not require the use of steps or stairs, enabling access for wheelchair users, people with mobility impairments, parents …
- Step-by-Step Device (Sequential Message Device, Step-by-Step Communicator, SBS)
- A simple, single-switch augmentative and alternative communication (AAC) device that stores a sequence of pre-recorded voice messages and plays them back one at a time with each button press. Step-by-…
- Stepper (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…
- Stepwise pointing (Recursive target acquisition, Tile-based pointing)
- A mouse emulation technique in which the screen is divided into a grid of tiles, the user selects a tile to zoom into it, the tile subdivides into smaller subtiles, and this process repeats until the …
- Stereo Panning (Audio Panning, Pan)
- The technique of distributing a mono sound signal between the left and right channels of a stereo output to create the perception that the sound originates from a specific horizontal position in space…
- Stereo Vision (Stereoscopic Vision, Stereo Camera System, Stereopsis)
- A computer vision technique that uses two or more cameras positioned at slightly different viewpoints to extract three-dimensional depth information from a scene, mimicking the way human binocular vis…
- Stereoscopic Camera (Stereo Camera, Depth Camera, 3D Camera)
- A camera system that uses two or more lenses to capture images from slightly different perspectives, mimicking human binocular vision to compute depth information (disparity maps). In accessibility ap…
- Stereotypic Behavior (Stereotypy, Stereotypical Behavior, Stereotypies)
- Stereotypic behavior refers to repetitive, seemingly purposeless movements or actions that follow a consistent pattern, such as rocking, hand-flapping, spinning, or hand-mouthing. These behaviors are …
- Sticky Keys (Sequential Key Entry)
- An operating system accessibility feature that allows users to press modifier keys (Shift, Ctrl, Alt, Command) sequentially rather than simultaneously, making keyboard shortcuts accessible to people w…
- StickyKeys (Sticky Keys)
- An operating system accessibility feature that allows users to press modifier keys (Shift, Ctrl, Alt/Option, Command) and have them remain active until the next key is pressed, rather than requiring s…
- Stigma (Social stigma, Disability stigma)
- A negative social perception or mark of disgrace associated with a particular attribute, condition, or circumstance. In disability and accessibility contexts, stigma refers to the social devaluation p…