Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 282 of 333
- Success Criteria (Success Criterion, SC)
- The testable statements within the Web Content Accessibility Guidelines (WCAG) that define specific requirements for making web content accessible. Each success criterion is assigned a conformance lev…
- Sufficient Techniques (Sufficient Advisory Techniques)
- In the WCAG framework, sufficient techniques are documented methods for meeting a specific success criterion. If a content author correctly implements a sufficient technique, it is enough to satisfy t…
- Suitcase Robot (Suitcase-shaped robot, Robotic suitcase)
- A class of autonomous navigation robots housed inside a rolling suitcase or carry-on-shaped enclosure, designed so that a blind or low-vision user can grip the handle and be guided to a destination wh…
- Summative Evaluation (Summative Usability Testing, Summative Assessment)
- Usability evaluation conducted on functional software or high-fidelity prototypes, typically later in the development process, to measure the effectiveness of specific design choices. Summative testin…
- Suno (Suno AI, Suno v3.5)
- A commercial generative AI platform that produces full songs — lyrics, vocals, instrumentation — from short natural-language prompts specifying genre, mood, tempo, and lyrical content. Suno is widely …
- Supervector (GMM Supervector)
- A supervector is a high-dimensional feature representation created by concatenating the mean vectors from all components of a Gaussian Mixture Model (GMM) adapted to a specific speaker or utterance. T…
- Supplemental Security Income (SSI)
- A U.S. federal program administered by the Social Security Administration that provides cash benefits to people with disabilities, blindness, or age-related needs who have limited income and resources…
- Support Indicator (Agreement Indicator)
- A visual or textual cue that communicates the degree of agreement across multiple AI model responses for a particular claim. Support indicators help BLV users assess claim reliability by showing how m…
- Support Network (Support Worker, Support Person, Circle of Support)
- The caregivers, family members, support workers, teachers, and peers who assist a person with a disability in daily life and in participating in research or design activities. In inclusive co-design w…
- Support Vector Machine (SVM)
- A supervised machine learning algorithm used for classification and regression tasks. SVMs work by finding the optimal hyperplane that separates data points into distinct categories in a high-dimensio…
- Support worker (Disability support worker, Direct support professional, DSP, Care worker)
- A person employed to provide direct assistance and support to people with disabilities in their daily lives. Support workers help with activities of daily living, skill development, community particip…
- Supported Decision-Making (SDM)
- A legal and practical alternative to guardianship in which a person with a cognitive or developmental disability retains decision-making authority over their own life while receiving support from trus…
- Supported Employment (SE)
- An approach to helping people with significant disabilities find and maintain competitive employment in integrated work settings, with ongoing support as needed. Unlike sheltered workshops or segregat…
- Supporting Individual (Support Person, Ally)
- A person — such as a partner, family member, friend, or caregiver — who provides assistance to someone with a disability and may also seek information and support on their behalf. In online disability…
- Supportive Empathy
- A therapeutic conversational stance in which a listener responds to another person's feelings with affirmation, validation, and gentle encouragement rather than problem-solving or interpretation. In m…
- Surface Dyslexia
- A subtype of dyslexia characterized by difficulty with whole-word recognition and irregular word reading, often resulting in confusion with homophonic or pseudo-homophonic words (such as "weather" and…
- Surface Electromyography (sEMG, Surface EMG)
- A non-invasive technique for measuring the electrical activity produced by skeletal muscles, using electrodes placed on the skin over the muscle. Surface EMG is used in biomechanics, prosthetic contro…
- Surface Haptics (Surface Haptic Technology)
- A branch of haptic technology that creates tactile sensations directly on a flat surface, such as a touchscreen, by modulating the friction between a fingertip and the display. Unlike conventional vib…
- Surface Level Change (Elevation Change, Grade Change)
- Any change in the height of the ground or floor surface, including stairs, curbs, ramps, steps, potholes, and raised thresholds. Surface level changes are a significant mobility challenge and safety h…
- Surrogate Users (Proxy Users)
- Individuals who stand in for actual end users during design and evaluation processes, typically used when direct user involvement is impractical, ethically problematic, or insufficient. In accessibili…