What is fad and fashion?

Fads are like trends, a type of fashion that is in and then goes out. For example, right now, the fad of children and teens is very casual. They wear a lot of jeans, tees, sweats, and other casual items. Fashion is like all trends put together. Any clothing item any cosmetic. It has a large variety of things in it including poodle skirts and Hollister Co. tees.