This document discusses the sociological theory of symbolic interactionism. It defines symbolic interactionism as a framework that focuses on the meanings individuals attach to objects, people, and interactions. These meanings arise from social interactions and are modified through interpretive processes. The document outlines three central ideas of symbolic interactionism: 1) people act based on the meanings of things, 2) meanings come from social interactions, and 3) meanings can change. It also discusses key thinkers in symbolic interactionism such as Blumer, Cooley, and Mead, and concepts like the looking glass self and stages of self development.