As with many hobbies and fandoms, there is unique jargon to the Warhammer 40k. Here is my growing list of terms and acronyms that I’ve discovered on various forums and blogs:

• AM – Astra Militarum (formerly known as Imperial Guard)
• AP – Armour Penetration, a weapon stat
• AV – Armour Value for vehicles
• BRB – Base Rule Book
• BS – Balistic Skill, used for rolling to hit with ranged weapons
• CAD – Combined Arms Detatchment
• CC – Close Combat
• CCS – Company Command Squad
• CSM – Chaos Space Marines
• Fluff – Name for the lore, fiction, and background of the 40k universe
• FOC – Force Organization Chart
• IG – Imperial Guard (now formally known as Astra Militarum)
• MoO – Master of Ordinance
• OoF – Officer of the Fleet
• TS – Tempestus Scions
• S – Strength of a weapon or character
• W – Wounds
• WAAC – Win At All Costs; where player fields an army to win, even if the army is cheesy, unfair, or borderline cheating
• WC – Warp Charge, used for Psychic Phase