# Chart components

Charts, gauges, and heatmaps for showing data.

## Components

- [Chart](/docs/components/chart.md): Bar, line, and area charts built from composable marks.
- [Gauge](/docs/components/gauge.md): A circular meter for context, usage limits, storage, seats, and other bounded quantities.
- [Heatmap](/docs/components/heatmap.md): A contribution calendar for daily activity.
- [Pie Chart](/docs/components/pie-chart.md): Pie and donut charts with exact values, keyboard inspection, and composed labels.