Donut

Composition · Share of total with a center metric

Added from the Insert tab; configure it in the card’s Data and Format tabs.

When to use it

A pie with a hole — the center carries the total or a headline number, so composition and magnitude share one card.

Field wells

Well	Accepts	Notes
Category	dimension
Value	measure
Color	dimension

Measure wells carry a quick-calc dropdown (running total, YoY %, % of total, …); SquareX measures drop in like any field.