The Armor point value or AP as it is commonly called is a measure of the players overall physical protection, it is used in the Alterverse Role Players Game. In other game systems it is called the Armor Class or Protection Points, A players AP value will be from one to twenty (a) with one being the least amount of protection and twenty being the most protected.
All players start off with a base amount of AP, this is based on the race of the PC and table AP-1 shows this. Also a player will gain a modified that is based on their Dexterity ability score, and any armor that they may be wearing. A PC also can gain a AP mod for their size. The racial descriptions will detail this if it applies to a certain race.