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UX Atlas
Plate TERM·045 · TermGrid D5 · Rev. 2026-08-14

Viewport

The part of the page you can see without scrolling.

TermCraft conventionFoundational

Definition

The visible area of a page in the browser window, excluding browser chrome.

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

On this plate
  1. 1Definition
  2. 2Local chart
  3. 3Continue from here

In plain language

The part of the page you can see without scrolling.

Example

Mobile viewport height changes as the address bar collapses, which is why dynamic viewport units exist.

Local chart

TERM·045 · Region X · Grid D5

This entry and the entries it is stated to connect with. Each line is labelled with what the connection means.

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.

Nearby in the Atlas

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