BBS: Acronym for “bulletin board system”, a server allowing users to connect with it and upload and download data as well as read bulletins, exchange messages and sometimes chat.


MMORPG: Acronym for “massively multiplayer online role-playing game” are games in which a vast number of players interact with each other in online game environments. See also RPG.

MUD: Acronym for “multi-user dungeon”, or “multi-user domain”, a multiplayer virtual world, generally text-based. MUDs have their roots in the 1970s, gaining popularity by the late 1980s and early 1990s.


reddit: An entertainment and social news website on which registered users may submit links and commentary. Calls itself “The front page of the internet”.

Retweet: An action taken by Twitter users to share something another user has tweeted. See also Tweet.

RL: Acronym for “real life”. Also IRL, which stands for “in real life”.

RPG: Acronym for “role-playing game”, a game in which players assume a character within the fictional game setting. RPGs exist as both online and offline games and often involve complex character and skills development.


Selfie: A self-portrait generally taken using a camera or camera phone.

Subreddit: A forum within reddit for any given particular topic. Also sub, r/.


Troll: An internet user who comments or interacts with others to deliberately aggravate or challenge their views in an upsetting or inflammatory way. Can also be used as a verb: trolling.

Tweet: A post made by a user on Twitter. Tweets are limited to 140 characters and can contain images, video and links.


Upvote: An action taken by users on platforms such as reddit to indicate that a particular submission to the forum is meaningful, relevant or informative, which leads to the submission being moved ‘up’ the page to a more prominent position.

USENET: a worldwide distributed discussion system available on computers established in the 1980s.