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UX Atlas
TermCraft conventionFoundational

User Interface (UI)

The part of the product you actually see and touch.

Definition

The point of interaction between a person and a system: the screens, controls and feedback through which use happens.

Craft convention. True because the industry converged on it. Breaking it costs familiarity, not correctness.

In plain language

The part of the product you actually see and touch.

Example

A form's fields, labels, buttons and error messages are the interface. Whether the form makes sense to fill in is the experience.

Each link says what the connection is, so you can tell a principle from an alternative from a thing people mix this up with.

Deeper reading

The full entry behind this definition.

Related concept

Connected closely enough to change how you apply this.

Nearby in the Atlas

Adjacent territory, found through shared tags rather than a stated link.