You can use a Chart panel to monitor the processes visible to a given user.
More specifically, you can use it to view a given user's work items graphically.
Chart Data
You can use a chart panel to display data in sets that have been predefined for you, or you can customize your own chart panel.
Drill Down
The graphics in the Chart panel support drill down. Clicking on a bar of the chart or a slice of the pie displays detailed data about those work items.