The Delete hidden tab is only accessible through the action links and deletes in a cascading method. That means when deleting a record all the child records of a record are also deleted. This maintains database integrity so that orphaned records, records that should have parent records, do not exist. It is generally recommended to archive records that contain real data, delete should only be used when a record is created in error or data needs to be permanently purged. Usually it is best to archive records that are simply not current or not used.
- The Delete module will let you know how many records are to be deleted.