11. Gaming books produced under this agreement may not detail the process of generating and assigning scores to Characteristics. In addition, the terms used for Characteristics (Strength, Constitution, Dexterity, Size, Intelligence, Power and Charisma) may not be changed. They may be abbreviated to STR, CON, DEX, SIZ, INT, POW and CHA respectively. Readers may be referred to the RuneQuest (TM) Main Rulebook in order to generate and assign scores to Characteristics.