The eye separates an object from its background, and interfaces use that separation to signal layers.
FND·009UI foundation · Gestalt principles
Tag3 entries across 3 sections
modals
Entries tagged modals, drawn from across the library. Tags cut through the section structure, which is where most of the useful connections are.
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Category
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3 entries
Blocks everything else, which is why it should be reserved for things that genuinely cannot wait.
CMP·010Component · Overlays
Deliberately moving focus when the interface changes, so keyboard and screen reader users are not stranded.
A11Y·004Accessibility · Operable