How can I edit the applications and business data 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 data, select the business data on the X-axis and click the button. Specify the business data'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.