The 'Dashboard' tab is where you can see all the account's stats. The dashboard provides an at-a-glance overview of important stats. Turn the widgets ON/OFF from the API's, to have them visible on your dashboard.
You can also use the dashboard as a shareable link with your clients, where they can see everything you will add there: different graphs, tables, completed tasks and also tasks in process.
Note: All tasks that marked as "Don't include in reporting", won't show on the dashboard as well.