The conduit between human-computer interaction enabling users to control machines and receive feedback.
A technique evaluating products and features with real users to identify friction in a user experience before deployment.
Written descriptions of functionality from the user perspective, creating design and development task lists.
All aspects of user participation including interactions, reactions, emotions, and perceptions engaging with designed things.
A qualitative assessment of how learnable and easy a system is to use, key to good user experience.