It is a representation of reality seen through something audiovisual.

Focused on an event: The event is the backbone of the film.

Definitory of a process: They present chain events that make up an interesting process.

Traveling: Presents information and describes places.

Walled city: It is the one that uses a microcosm to hint at a larger-scale criticism.

Historical: Since every film reproduces everything that has already happened, all films are historical.

Main character: in this type of documentary, said character can narrate, be a spectator, etc.

Multiple Characters - Try to show different views of social class.

Personal: the director himself can narrate, interview, etc. This type of documentary has a carefree and subjective point of view.

Omniscient: narrated in the third person to show a collective point of view.

Reflective: A product is displayed in a way that people think that the producer, the production, and the product are consistent.