This document summarizes several theories related to audiences, narratives, representation, and identity in media studies. It outlines key concepts from theories such as the magic bullet theory, audience gratification theory, two-step flow theory, encoding/decoding theory, genre theories, narrative theories, representation theories, and identity theories. Theories discussed include those proposed by Berger, Hoynes, Blumer, Katz, Lazarsfeld, Berelson, Gaudet, Hall, Ryall, Neale, Buckingham, Knight, Bordwell, Branston, Stafford, Levi-Strauss, Barthes, Propp, Todorov, Dyer, Jenkins, Merleau Ponty, Strinati, Fou