Charm is a representation of how well your character can persuade others based purely on charisma and personality.

0: Completely incapable of behaving to social norms. Psychotic.
1: Unable to take social ques, unaware of how their actions effect a room.
2: The average person's charisma with its annoyances and charming moments.
3: A rather likable and popular individual.
4: A master salesman, easily wining over others.
5: Easily able to charm the masses and insight trust in those around them.
6: A nearly God-like charisma, charming anyone they come across.