This document outlines various codes and conventions used in documentary filmmaking. It discusses exposition techniques like using interviews and factual information to persuade viewers. Narration is used to explain or argue the documentary's content. Actual footage captures real events and people, unlike fictional films. Voiceovers provide commentary from the filmmaker. Interviews allow subjects to speak directly to the filmmaker's questions. Archival footage is pre-existing material that provides historical context. Reconstructions reenact events. Background music and statistics are also used to set atmosphere and support arguments. Vox pops interview the public for outside perspectives.