The document discusses codes and conventions used in factual television programs such as documentaries and news. It defines factual programs and provides examples. It explains that factual programs aim to educate and inform audiences, but may also provide biased points of view. The document then discusses codes, which are systems of visual and audio symbols, and conventions, which are generally accepted ways of presenting information. It provides examples of codes and conventions used specifically in documentaries and news programs. Finally, it outlines different styles and formats of documentaries such as expository, observational, and poetic documentaries.