The document analyzes the genre of documentaries. It begins by defining documentaries as informative films or television programs focused on presenting facts about political, historical or social issues. It then discusses several documentary conventions like reconstructions, actual footage, interviews and voiceovers. It also examines specific documentary types like direct cinema and docusoaps. Finally, it outlines Bill Nichols' documentary modes which classify styles based on conventions like observational modes with hidden filmmakers or reflective modes that show the film production process.