Documentaries aim to inform and educate audiences about factual topics. They may use techniques like interviews, archival footage, reenactments, and voiceovers to explain issues. Documentaries can have different structures, like linear (beginning, middle, end) or circular narratives. Theorists like Propp, Barthes, Todorov, and Levi-Strauss have analyzed narrative structures and how audiences interpret codes, conflicts, and opposites in stories. When making a documentary for college students, it's important to keep the visuals and audio interesting as well as informative to fully engage the audience.