Edit the dashboard as follows:

1. Select a dashboard from the menu.
2. Click the  button.
3. Make the necessary changes.
4. To view and edit the source code of the dashboard, do the following:
   1. Click the  button.
   2. Edit the source code.
      
   3. Click Set.
5. Click the  button.
6. In the form for saving the dashboard, click Update.
   

The dashboard is now edited.

Delete the dashboard as follows:

1. Go to the user menu in the upper right corner of the screen.
   
2. Select Store.
3. Expand the My dashboards list.
   
4. Click Delete on the dashboard form.
   

The dashboard is now deleted.