The document discusses various styles and genres of documentary filmmaking. It outlines different documentary conventions like interview styles, narration, archival footage, and reconstructing historical events. Some common documentary styles are observational, propaganda/advocacy, personal journey, using archive footage, drama, examining social issues, comedy, and essay. Each style has defining characteristics like the filmmaker's level of involvement, perspective presented, use of reenactments, and goal of informing versus influencing audiences. Documentaries take influence from both the subject matter and filmmaking techniques employed by the director.