1 Address Book- a notebook or equivalent where one keeps names and addresses
2 BCC - blind carbon copy, the reciever of a BCC doesn't see other recipients
3 CC - carbon copy, the reciever does see other recipients names
4 Discusion group- Any system that supports group messaging
5 Distribution List - list of names where communication should be sent
6 E-mail- system for sending messages through computers
7 Emoticon- on icon used on a network