Wire - there's often a string w/ balls above the table used to keep score, but "the wire" typically refers to a handicap in which the stronger player gives games in a set aka "2 on the wire" in a race to 7 means that the player getting the spot only needs to win 5 games (because he's been given "2 on the wire")
Weight - handicap
Spot - handicap
Race - "race to x" means that the winner is the first who reaches x number of wins
Straight Up = even game, no handicaps
Weight - handicap
Spot - handicap
Race - "race to x" means that the winner is the first who reaches x number of wins
Straight Up = even game, no handicaps