This document discusses different modes or styles of documentary filmmaking as defined by theorists like Bill Nichols and Toni de Bromhead. It outlines six main modes according to Nichols: expository, observational, participatory, performative, reflexive, and poetic. De Bromhead proposes alternative modes like linear, discursive, episodic and poetic. The document provides examples for each mode and notes that some documentaries use hybrid approaches. It encourages filmmakers to consider factors like context, style, technology, practice, and story when choosing a documentary mode.