Lawful characters seek to uphold the ideals of civilization, humanity, culture, and conformity. They treat others as befits their station. Extremists actively try to exert their beliefs on others.
Neutral characters have no strong tendency towards Law or Chaos, and are primarily self-motivated. They may be swayed to one side or the other for brief periods. Extremists try to actively uphold the balance between Law and Chaos.
Chaotic characters value freedom and individuality above all else. They treat others as means to their ends. Extremists actively seek to overthrow society.