This document provides an overview of mass media and communication theories. It discusses the following key points:
1. Communication is a social process that requires commonality and shared understanding between parties. Mass media plays an important role in shaping culture.
2. The communication process involves encoding an idea into a message, transmitting the message through a channel, receiving and decoding the message, and providing feedback. Noise can interfere with effective communication.
3. Mass media functions include informing, educating, entertaining, and transmitting cultural heritage while pursuing commercial interests. Theories of communication include the transmission model and dialogic models. Indian theories also emphasize shared understanding.
4. Mass culture refers to popular entertainment spread through mass media,