Character - A character is one of the avatars that a player controls in the game. A player may have multiple characters, but selects and controls one at a time.
NPC - Non-player character. Refers to one of the characters in the game that is not controlled by any player, but is part of the environment.
Matrix - A virtual space where players store items and currency belonging to their characters.
PC - Player character. See Character.
Player - Player refers to the human sitting behind the computer.
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