This document provides an overview of broadcast television, including: 1. It describes the principal revenue streams and costs associated with operating a broadcast television network, such as revenue from commercial time sales and costs for programming development and production. 2. It outlines the typical structure and responsibilities of different departments within a television network, such as entertainment, news, sports, advertising sales, and engineering. 3. It discusses factors like television markets, commercial time limits, and advertising rates. 4. It provides details on the structure of television stations and responsibilities of departments like sales, programming, production, creative services, engineering, and traffic.