Layout / The visual dictionary

Header.

An introductory region at the top of a page or section.

Also calledpage headersite header
01

See it in context

UI illustration
ACMEWork · About · Contact

An introductory region at the top of a page or section. Place identity, a title, and essential context before the content it introduces.

When to use it

Use it to orient people and surface relevant top-level actions.

Know the difference

A header is a structural region; a navigation bar specifically provides navigation controls.

WebiOSiPadOSAndroidmacOSWindowsLinux

Web · iOS · iPadOS · Android · macOS · Windows · Linux

Web headers may carry a banner landmark; native screen titles commonly live within a navigation bar.

Primary documentation for the pattern and its platform conventions.