| A | B |
| Instant Messaging | real-time communication over the Internet |
| username | usually not someone's real name, but the name the person uses in a chatroom |
| private message | a message privately sent to a fellow chatroom participant only, not to the rest of the chatroom participants |
| unwanted messages | messages that range from annoying advertisements to messages that promote hate, violence, or sexuality |
| Flaming | sneding messages meant to hurt someone's feelings |
| Spamming | sending a message to many e-mail address of people you don't know |
| cyberstalking | stalking or harassing someone online |
| forward | a message or article sent to you by someone who was not the original writer of the message |
| Netiquette | Polite, courteous online behavior |
| chatrooms | a virtual room in which you send messages that appear almost instantly on the computer monitors of the other people who are participating in the chat or discussion |