* Mailman/Mail carrier: The person who delivers mail.
* Mailbox: A container for receiving mail.
* Mail order: A system of buying goods through the mail.
* Mailroom: A room where mail is sorted and processed.
* Mailbag: A bag used for carrying mail.
* Airmail: Mail sent by airplane.
* Snail mail: Traditional mail sent through the postal service.
* Junk mail: Unwanted advertising mail.