This document summarizes key concepts in media theory, including audience, narrative, media language, representation, and institution. It discusses audience classification and how audiences are targeted. Narrative theory examines how stories are constructed through elements like character types and plot. Media language refers to the technical codes, symbols, and written elements that make up a media text. Representation relates to how people, places, and concepts are presented to audiences. Institutional theory examines how ownership, text type, political biases, and hierarchies shape media institutions and maintain the status quo through moral panics.