This document provides an overview and introduction to a university course on mass communications. It discusses key concepts like what media is, different definitions of mass communication, and why the study of media is important. The course will cover topics like media systems, audiences, effects, and new directions. Students are assigned a media diary and tasked with a day of media deprivation for homework. The document emphasizes that mass communication involves large-scale transmission of information to audiences and is a multi-disciplinary field.