Fallout: Brotherhood of Steel SPECIAL

Primary statistics
SPECIAL is an acronym of Strength, Perception, Endurance, Charisma, Intelligence, Agility and Luck. These are the seven basic attributes of every character in the game. In this game, you must choose a character who already have a fixed Primary statistics.

Skills
In Fallout: Brotherhood of Steel, "skills" work like perks in other Fallout games and they are special elements of the level up system. At each level up, it receives several "skill points", depending on the level, which must be distributed in the different skills who varies depending on the characters. Some demand level required to be acquired.