Due to technical reasons, each server can only support a limited amount of players. Each MMORPG typically has several servers. Players cannot interact with players on other servers though they can usually transfer for a fee.
Synonymous with server, originally used to refer to servers in Ultima Online.
An item-control mechanic where an item cannot be traded. In other words, only one person can own the object and it cannot be traded. See also BoE and BoP.
An attribute in many MMORPGs such as World of Warcraft. Spirit controls a character’s passive mana regeneration ability.