This document provides an overview of the history and models of communication. It discusses early models from Aristotle and Laswell, then more modern conceptualizations including Shannon and Weaver's addition of noise and feedback. Later sections explore how meaning is constructed through signs and symbols and how context shapes communication. The document also examines theories about human motivations in seeking information and relationships. It closes by discussing mass media models and the transition to social media, asking how networks differ from broadcasts and niche differs from mass.