There are multiple Point Systems in the Call of Duty series.

• XP (abbreviation for Experience Points) is a point system in Call of Duty: United Offensive and every console game including and after Call of Duty 4: Modern Warfare. It allows players to level up to higher levels, unlock new gameplay mechanics and prestige.
• Points (Zombies) is a point system in Call of Duty: World at War, Call of Duty: Black Ops and Call of Duty: Black Ops II Zombies mode. Players acquire points by fixing broken barriers, killing zombies and other ways. Players can spend them on weapons, doors, traps and other in-game utilities.
• CODPoints are points that can be spent in the Multiplayer in Call of Duty: Black Ops to buy weapons, attachments, equipment, and other things. There are also Contracts which are challenges that award XP and Points.
• Allocation Points are points used as a part of the "Pick Ten System" in Call of Duty: Black Ops II. 10 allocation points are given for each class to choose which weapons, equipment, perks, or wildcards are in the class.