The eye completes incomplete shapes, which is why a partially visible item signals that there is more.
UI foundation · Gestalt principles
Tag
icons
Entries tagged icons, drawn from across the library. Tags cut through the section structure, which is where most of the useful connections are.
3 entries across 2 sections
Type
Category
Level
3 entries
Icons speed recognition for concepts users already know and create guesswork for everything else.
UI foundation · Form and depth
A short description on hover or focus, which must never be the only place information lives.
Component · Overlays