Common region

Elements inside one enclosure are seen as a group.

By Mackenzie Bowes · mackenzie@mackenziebowes.com · @_mackenziebowes on X

Source

“Grouping is usually conveyed implicitly through proximity and the use of white space or explicitly through enclosure (common region).” Visual Hierarchy in UX: Definition (Nielsen Norman Group)

See also: Gestalt principles, Proximity.