As an Administrator, you can add new dashboards or remove existing dashboards from the Homepage. To manage the dashboards, go to the ADMINISTRATION > APPLICATION CONFIGURATION page:

To add new dashboards to the Homepage, simply select the dashboard you want from the list of available dashboards and click on the "ADD" button.

The list of dashboards that are on your Homepage is listed on this page. To remove dashboards from the Homepage, click on the "EDIT" button (pencil icon) then the "DELETE" button (trash can).