The document discusses the history and codes and conventions of factual programming for television. It begins with the origins of actuality films in the late 19th century and discusses some of the earliest documentary films. It then analyzes various codes and conventions used in factual programming, such as the role of anchors/presenters, correspondents, editing techniques, interviews, use of experts and archives. It also examines different documentary formats including expository, observational, interactive, reflexive, and poetic documentaries. In the end, it provides examples of different documentary styles.