Glossary

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Camera Guidance(also: Camera Aiming Assistance, Framing Assistance)

Non-visual feedback systems that help blind users position a camera to capture usable images of documents, objects, or scenes. Guidance may include spoken directional instructions (e.g., "move up", "move left"), audio tones indicating proximity to a target, or vibration…

Carousel(also: Image Carousel, Content Carousel, Slider Carousel)

A UI pattern that displays a rotating series of content items (images, cards, teasers) in a single area, typically navigated by swipe, arrows, or auto-advance. Carousels pose well-known accessibility risks: auto-rotation can violate WCAG 2.2.2 (Pause, Stop, Hide), items beyond…

Command-Line Interface(also: CLI, Command-Driven Interface, Command Interface)

A user interface style in which the user types textual commands, usually following a defined syntax, to drive a system. Command-line interfaces are typically fast and powerful for expert users, scriptable, and efficient for repetitive work, but require users to memorise commands…

Compound Controls(also: Composite Widgets, Complex Controls)

User interface components that combine multiple interactive elements into a single logical control, such as a group of radio buttons, a set of checkboxes with a shared label, a combobox (combining a text input with a dropdown list), or a date picker with multiple fields.…

Context-Aware Interface(also: Context-Sensitive Interface, Adaptive Interface)

A user interface that dynamically adapts its content, features, or behavior based on the user's current context, such as their location, current task, time of day, or the website they are visiting. In cognitive accessibility, context-aware interfaces are particularly valuable…

Conversational Interface(also: Conversational UI, Voice User Interface, VUI)

A user interface that enables interaction through natural language, either spoken or typed, allowing users to communicate with a system using conversational dialogue rather than traditional graphical controls. Conversational interfaces include voice assistants, chatbots, and…

Conversational User Interface(also: CUI, Conversational Interface, Dialogue Interface)

A user interface that enables interaction through natural language conversation, either via voice (spoken dialogue) or text (chat). Conversational user interfaces encompass voice assistants, chatbots, and dialogue systems that interpret user intent and respond in natural…

Cookie Notice(also: Cookie Banner, Cookie Consent Banner, Cookie Popup)

A user interface element that appears on websites to inform visitors about the use of cookies and other tracking technologies, typically requesting consent to store data on their device. Cookie notices are required under privacy regulations like GDPR and the ePrivacy Directive.…

Cursor Movement(also: Cursor Navigation, Pointer Movement, Mouse Movement)

The process of controlling the position of a pointer or cursor on screen using an input device such as a mouse, trackpad, or joystick. Cursor movement efficiency is a key metric in accessibility research, measured through movement time, velocity, and path directness. Users with…

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