Glossary
Searchable terminology from accessibility, web standards, and related fields.
6660 terms — page 201 of 333
- Non-Manual Signals (Non-Manual Markers, NMS, NMM, Non-Manual Features)
- Linguistic information conveyed through parts of the body other than the hands in sign languages, including facial expressions, mouth movements, eye gaze, head tilts, head shakes, and body shifts. In …
- Non-Manual Signs (Non-Manual Markers, NMS, NMM)
- Components of sign language that are produced without the hands, including facial expressions, mouth movements, eye gaze direction, head tilts, body posture, and shoulder shifts. Non-manual signs are …
- Non-Participation
- In Wenger's Communities of Practice framework, the active (rather than merely absent) relationships people have with a community they do not fully join. Wenger identifies four forms: compromise (stepp…
- Non-Pharmacological Intervention (NPI, Non-Drug Intervention)
- A non-pharmacological intervention (NPI) is any therapeutic approach delivered without medication, including art and music therapy, reminiscence work, cognitive stimulation, exercise programmes, anima…
- Non-Speech Audio (Non-Verbal Audio, Non-Speech Sound)
- Auditory output that conveys information through sounds other than spoken words — for example tones, clicks, earcons, auditory icons, musical motifs, or vowel-like timbres. Non-speech audio is widely …
- Non-Speech Captions (Non-Speech Sound Captions, Non-Dialogue Captions)
- Textual descriptions of non-speech audio elements in media content, including environmental sounds, music, and sound effects, displayed as part of closed or open captions. Non-speech captions are esse…
- Non-Speech Information (NSI, Non-Dialogue Audio Information)
- Any audio content in media that is not spoken dialogue, including environmental sounds, music, sound effects, and ambient noise. Non-speech information plays a critical role in storytelling by conveyi…
- Non-Speech Input (Non-Speech Acoustic Input, Non-Verbal Voice Input)
- A method of controlling computers or devices using sounds produced by the human vocal tract that are not recognised words — such as humming, whistling, hissing, clicking, or varying pitch and volume. …
- Non-Speech Sounds (Non-Speech Audio, Sound Effects)
- Auditory content in media that is not spoken dialogue, including music, environmental noises, sound effects, laughter, applause, and other ambient sounds. Non-speech sounds carry important narrative, …
- Non-Use (Technology Non-Use, Technology Refusal)
- A research tradition in HCI that takes seriously the choice not to use a technology — treating refusal, abandonment, and selective engagement as meaningful, reasoned behaviour rather than as failure. …
- Non-Verbal Communication (Nonverbal Communication, NVC, Body Language)
- Communication through means other than spoken or written words, including facial expressions, eye contact, gestures, body posture, touch, tone of voice, and spatial behavior. Non-verbal communication …
- Non-Verbal Vocal Interface (NVVI, Non-Verbal Vocal Interaction)
- An interaction method that uses non-speech vocal sounds — such as humming, hummed melodies, rhythmic patterns, or vowel sounds — to control a computer or communication device. Unlike speech recognitio…
- Non-Verbal Vocalization (Non-Speech Vocalization, Vocal Gesture, Non-speech Vocalisation, Non-Speech Vocalisation)
- A sound produced by the voice that is not a spoken word, such as a sustained vowel sound ("Ahhhhh"), hum, or other vocal noise. In assistive technology and alternative input contexts, non-verbal vocal…
- Non-Visual Cooking (Blind Cooking, Cooking Without Vision)
- The practice of preparing food without relying on visual information, as performed by blind and low vision individuals. Non-visual cooking involves distinctive strategies including tactile exploration…
- Non-Visual Drawing (Blind Drawing, Drawing Without Sight)
- The practice of creating graphical representations — such as diagrams, shapes, charts, or illustrations — without relying on visual feedback. Non-visual drawing can be accomplished through tactile met…
- Non-Visual Exploration (Non-Visual Interaction, Non-Visual Scanning)
- The process by which blind or visually impaired people gather information about their physical environment, documents, or interfaces without relying on sight. Non-visual exploration combines multiple …
- Non-Visual Feedback (Non-Visual Output, Alternative Sensory Feedback)
- Any system output or response that does not rely on vision to be perceived, including auditory cues (speech, tones, sonification), haptic feedback (vibrations, force), and tactile output (braille, rai…
- Non-Visual Interaction (Non-Visual Interface, Eyes-Free Interaction)
- Interaction techniques and interface designs that do not require sight, enabling blind and low vision users to operate software and devices through alternative modalities such as speech, keyboard comm…
- Non-Visual Interaction (Non-Visual Access, Non-Visual Interface)
- Methods of interacting with computer systems and digital content without relying on visual display. Non-visual interaction encompasses screen reader output, speech interfaces, keyboard navigation with…
- Non-Visual Makeup (Blind Makeup Application, Accessible Makeup)
- The practice and process of applying cosmetics without relying on visual feedback, as performed by people who are blind or have low vision. Non-visual makeup involves embodied, tactile-first strategie…