de2 has five components meaning 'two people', 'full', 'eyes', 'one' and 'heart' respectively. Put together it becomes two people who see and think of things the same way and thus a moral standard exists.
pin3de2 means 'moral character' and literally translates as 'good'-'moral'.
pin3 is actually three mouths representing the idea of numerous people saying the same thing. There is no disorder when all are in agreement which is 'good'.
de2xing2 means 'moral conduct' and literally translates as 'moral'-'behaviour'.
xing2 actually has many other meanings which include 'go', 'travel', 'perform', 'carry out', 'engage in', 'competent', 'position', 'line' and 'row'.