Sociological theories are explanations of social phenomena and a process. Ideas that provide explanations for human society. They also provide different perspectives of how we view the world. The purpose of this is to explain everything from childrearing to automobile sales. Sociological concepts are structural functionalism, conflict, and symbolic interaction. These concepts explain how society works. Their purpose is to explain parts of a system, how conflict is a permanent feature to our society, and explain how society is based on shared meanings.