The document discusses four key concepts related to media studies: audience, institution, language, and representation. It examines who the target audience is for a media text, how media institutions influence products, how encoding and decoding of messages works, and how audiences are represented. When applied to game shows, these concepts look at why game shows appeal to different audiences, who produces them and how spin-offs are used, the conventions and language used including hosts and catchphrases, and how contestants from all backgrounds are represented.