AR is closer to the real world on one end of the gamut with the dominate perception being the real world which is improved by digital data or assets. AV is closer to a complete immersive virtual environment involving systems that are mostly computer generated, but have some real world imagery added. Virtual environments (VE) are environments that are totally simulated by technology. As technologies continues to rapidly advance, it seems possible that the virtual elements and real world elements sharing space in mixed reality environments will become more and more difficult to tell apart.