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Another definition of virtual reality includes its potential functionalities. It allows us to: “extract oneself from physical reality to change virtually the time, place and/or type of interaction: interaction with an environment simulating reality or interaction with an imaginary or symbolic world” (Fuchs et al. 2006, p. 7).

Indeed, the use of virtual reality makes it possible to bypass the physical laws of our world. In virtual reality, the functioning of time is different; it is possible, for example, to stop time when you perform an action, or to go backwards in time. It also makes it possible to change place. While manipulating visualization and controlling devices in the physical world (imagine a user in an immersive room manipulating an arm with force feedback), he/she has the feeling of being in the virtual environment in which he/she is immersed (e.g. in an operating theater). Interaction with virtual reality is also different from interaction with the physical world, since it responds to the rules and workings of the application. For example, movements can be made by holding the button on a joystick rather than actually moving in the physical world.