The document discusses different theories around how audiences engage with media texts, ranging from passive to active models of consumption. It describes the passive "hypodermic needle" effects theory from the 1920s, which viewed audiences as empty vessels absorbing media messages. More recent theories see audiences as active, such as Stuart Hall's encoding/decoding model where people make their own interpretations based on their experiences. The document also discusses reception theory and the idea that audiences play an active role in how they interpret and make meaning from media texts.