Glossary of Terms - What does it all mean?

Broadband
A high-speed, high-capacity transmission channel for simultaneously passing multi-media information, such as pictures, videos and data between users.

Encryption
A process by which data is converted into a format that may not be read or accessed by a human or a computer without the proper mechanisms to decode it.

Internet Relay Chat (IRC)
A form of instant communication over the Internet (similar to instant messaging using MSN or Yahoo Messenger). It is mainly designed for group communication in discussion forums called channels, but it also allows one-to-one communication.

MUD
Multi-User Dimensions is a computer program that allows multiple players to connect simultaneously through an Internet server to engage in a shared game or activity. Sometimes known as Multi-User Dungeons because the concept derives from the Dungeons and Dragons games, some MUD programs allow for ‘social’ contact (discussions etc) while others involve users in role-playing. A user can adopt and take control of a computerised persona or character in a ‘fantasy’ realm.

Secure Shell
A program to log into a computer over a network, to execute commands in a remote machine, and to move files from one machine to another. It provides strong authentication and secure communications.

Steganography
The art and science of hiding messages within data for an intended user. On a webpage, for example, a steganographic message will appear to be something else, such as an article, a picture, or a ‘cover’ message.

Telnet
A way to access a remote computer (with permission), as if you were logged on directly. This allows the user to call up any files or programs on the remote computer, and to issue commands as though they were sitting at it. Telnet can enhance the functioning of MUD systems.

Third-generation (3G) networks
The next generation of wireless networks incorporating the use of mobile phone technology into a multi-media setting. It will allow users to keep connected to the Internet at all times and places, sharing a wide range of information in all formats and at immense speeds.

from: ECPAT Newsletter, July 2004

For more info on terms and abbreviations from the internet, see " A-Z the internet explained" on the NCH website.