I think being mean to people in high school is healthy. It's sort of like you're in this situation with all these other kids and sometimes you need to get your aggression out. And if you'd had people be mean to you before, it really does build character.
Sometimes string figures were used to illustrate stories, as in the case of an Eskimo example that depicts a man catching a salmon. Sometimes they had magic or religious significance.
The exercise of power is determined by thousands of interactions between the world of the powerful and that of the powerless, all the more so because these worlds are never divided by a sharp line: everyone has a small part of himself in both.