Before deleting any record the user must
Find the appropiate record.
By pressing the Delete button the record currently
displayed in the interface is deleted. Once the Delete
button has been pressed a warning message is issued.
At this point the user can cancel the deletion of the record,
by pressing the Cancel button, or continue with the action,
by pressing the OK button.
Suppose Mr. Smithers cancels a Magazine subscription.
We must remove that magazine record from his record
Find Mr. Smithers Magazine product record.
Press the Delete button.
Press the OK button.
Mr. Smithers is no longer subscribed to that magazine.