| A | B |
| Attachment | Files that are sent along with an e-mail. |
| Blog | A web-based journal. |
| Bullying | Spreading malicious and false information. |
| Chatting | Talking in real-time to other network users from all parts of the world. |
| Discussion Boards | An online bulletin board where users can receive feedback from posted messages. |
| E-mail | The electronic exchange of messages and computer files between computers that are connected to the Internet or some other computer network. |
| E-mail Ettiquette | Guidelines followed for proper use of an e-mail. |
| Header section | The section of an e-mail that contains TO, FROM, Date, Subject, cc, and bc. |
| Podcasting | A method of publishing files to the Internet, allowing users to subscribe to a feed and receive new files automatically by subscription, usually at no cost. |
| Signature | The section of the e-mail that contains the name and contact information of the sender. |
| Spam | Unwanted and unsolicited email advertisements or messages. |
| Spyware | Malicious software designed to take partial control of a computer's operations without the consent of the user. |
| Text Messaging | Sending short messages to a device such as a cell phone or pager. |
| Virus | A small piece of software that attaches to programs that are installed on a user's PC. |
| Yelling | Keying in all caps when chatting online. |
| Body | The section of an email that contains the message. |