Functional Requirement
A functional requirement describes what a system, product, service, or component must do to support a user, business, or operational need.
UX Reference
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Showing 73-96 of 180 entries.
A functional requirement describes what a system, product, service, or component must do to support a user, business, or operational need.
Funnel analysis is a method for examining how users progress through a defined sequence of steps toward a task or service outcome.
Help text is short supporting content placed near a question, field, control, or task step to clarify what the user should do or what information is needed.
Heuristic evaluation is a usability inspection method in which evaluators examine an interface against established usability principles or heuristics to identify potential usability issues.
Human oversight is the design, governance, and operational capacity for people to monitor, review, intervene in, correct, or override automated or AI-supported systems where needed.
Human-centered design is an approach to designing interactive systems that focuses on users, their goals, contexts of use, needs, limitations, and participation throughout design and eval...
An impact metric measures a broader or longer-term effect associated with a service, programme, product, or intervention, often beyond immediate usage or short-term outcomes.
Implementation fidelity is the extent to which the built product or interface accurately reflects the approved design intent, including layout, content, components, states, interactions,...
Implementation review is the structured evaluation of a built interface against approved design, content, component, accessibility, interaction, and front-end quality expectations before...
Implementation risk is the possibility that a product, service, system, or change effort will fail, underperform, create harm, or produce unintended consequences during rollout or operation.
Inclusive design is an approach to designing products, services, environments, or systems that considers human diversity, different abilities, situational constraints, and exclusion risks...
Information architecture is the organization, labeling, and structuring of information so people can find, understand, and use it.
Informed consent is the process of ensuring that participants understand a study and voluntarily agree to take part.
Input validation is the process of checking whether user-provided data meets required rules, formats, constraints, or conditions before it is accepted or processed.
Interaction consistency is the extent to which similar interface elements, actions, states, and workflows behave in predictable and comparable ways across a product, service, or system.
Interaction cost is the effort a user must expend to complete a task or obtain value from a system, including physical, cognitive, temporal, and navigational effort.
An interaction specification is a documented description of how an interface or component should behave, including states, triggers, feedback, keyboard behavior, focus behavior, validatio...
An interview guide is a structured plan of topics, prompts, and follow-up questions used to conduct a research interview.
Jobs to Be Done is a product and service framing approach that focuses on the progress a person is trying to make in a specific situation, rather than only on user attributes or product f...
Journey mapping is a method for representing a user’s or customer’s experience across stages, actions, touchpoints, decisions, barriers, and outcomes over time.
Keyboard accessibility is the extent to which users can reach and operate interactive content, controls, forms, navigation, and workflows using a keyboard or keyboard-like input method.
A lagging indicator is a measure that shows a result after an activity, service period, intervention, or outcome has already occurred.
A leading indicator is an early signal that may help predict, influence, or warn about a later outcome before that outcome is fully visible.
Learnability is the extent to which users can begin using a system, develop understanding, and improve performance with experience.