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UX Atlas
TermCraft conventionFoundational

Component

A reusable building block of the interface.

Definition

A reusable interface element with defined behaviour, states and an API.

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

In plain language

A reusable building block of the interface.

Example

One button component with variants replaces five bespoke button styles.

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.