Key terms: applied sociology: the use of sociological analysis to solve social problems, basic (pure) sociology: professional sociology. Different stages (settings), social life is a stage in which people perform. People are in a sense, actors that play a role (e. g. mother, what it means to be a college student: goffman"s dramaturgical approach understanding social interaction through an analogy of theatre and performance. Social life: a stage in which people interact and perform, humans are both actors and audience members, parts they play are roles in everyday life (mother, teacher, factory worker, the roles change depending on upon the setting ex. Daughter is an honor student: roles consist of two types: front stage and back stage . The function of a structure is its contribution to the system, and its effects on other structures. Each structure functions to maintain an orderly and predictable system preserving social order.