The document discusses mixed reality and its components. Mixed reality combines the physical and digital worlds across a spectrum with physical reality on one end and fully virtual reality on the other. Key components of mixed reality discussed include body storming to map scenes, acting and feedback, and storyboarding to create a mental map. HoloLens and holograms are mentioned, with holograms defined as using wavefronts to record and reconstruct 3D images. Augmented reality is also referenced.