Immersion – Being surrounded by images, sound and other stimuli that create a believable environment.
Presence – The feeling or sense of actually existing within an environment.
Embodiment – Having a virtual body or avatar that interacts naturally with the environment.
360 Free Movement – Being completely unbounded from physical restrictions in the outside world.
Shared Space – Playing and interacting with others in shared digital space.
Dynamic Spectating – Being able to view and interact with people playing in VR from the outside world.