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specialized family
gauge
Single-value KPI on a half-circle dial.
A speedometer-style indicator showing one number against a range. Often colour-coded (red / yellow / green) for status. Common in dashboards as a "where are we" status check.
When to use
Single KPI you want to read at a glance.
When NOT to use
Comparing 2+ values (use bar).
Rhetorical roles
- compare
Variants & related
Required primitives
- has_data_labels
Optional primitives
- has_title
Common anti-patterns
- unfamiliar-encoding
Disambiguation rules
- Half-circle (or quarter-circle) with a needle / pointer.
- Often shown alongside other gauges in dashboard layouts.