Clans:

A group of players who play in teams against teams of other clans. For example
mTw (Mortal Teamwork) or sk (Schroet Kommando) are Clans.

Game Modes:

There is a variety of different kinds and ways of playing a game. The principles of the different modes are indicated by their names. For example
CtF -Capture the Flag-:
Two Teams usually red and blue fight against each other and try to capture the flag of the others. The flag is at the base of the opponents. The flag of the opponent should be placed next to their own at the home base If you arrive there with the other teams flag and your own is not there, because the opponent has captured is, you can not score any Captures -points-

Maps are the environment or the level in which you play.

Mode:

An other principal of action.

OSP:

A mod that is always used. Lately released in version 99v1. Adds details to the analyses of the action.

Quad Damage:

It increases the damage You can make for 30 secends. You just have to run into the quad damage.

Quake Squads:

Only for Quake the Squads are also divided into subsquads. That is because the number of squads per Clan is limited to. The subsquads are TDM-Team Death Match-CtF-Capture the Flag-.

Squads:

Members of a Clan, who are specialized in a certain game mode For example
Squads of mTw are Unreal Tournament, CounterStrike and Quake3 and
Squads of Schroet Kommando are CounterStrike and Quake3'