The fact "The work "lock" usually refers to a mechanical device that secures a door.  An object called a "key" is used to control a lock's function.  When the lock is active, the door cannot be opened.  When the key is inserted and turned, the lock is inactivated and the door can be opened." is illustrated with the story:1. Bambi needed to get her suitcase out of the storage shed.2. The door to the storage shed was locked.3. Bambi did not have the key to open the lock so she could not get in.4. Bambi called a locksmith who made her a new key for the lock.5. With the key Bambi was able to unlock the door and retrieve her suitcase from inside the storage shed.