The content and structure of the documentary is of foremost importance. There should be strong and definitive rationale, content and conclusion; much like an essay. The documentary should have aims that are systematically tackled during the body of the film, by the end the aims should have been solved or revised, and a conclusion drawn. The documentary can be seen as a factual visual essay.
All information used must be from a knowledgeable source on the subject, and where possible backed up by facts and figures. The extensive use of credible facts and figures is heavily encouraged.