Like other pages in the portal, a Dashboard’s layout can be controlled by adjusting your browser's zoom level.
Statistics
The top row of a Dashboard is called Statistics, and displays a summary of data points from your environment.
Charts
The Charts section contains a series of donut charts.
Compliance
The Compliance section of the Dashboard (visible only on some Dashboards) shows compliance data for each device against the Patch My PC catalog and Microsoft Update service.