How can I edit the applications and business objects in Where do we use sensitive data?

To edit an application, select the application on the Y-axis and click the button. Specify the application's attributes in the editor.
To edit a business object, select the business object on the X-axis and click the button. Specify the business object's attributes in the editor.
To edit the business data usage, select the business data usage in the matrix cell and click the button. Specify the use of the business data by the respective application.