What is "virtual reality?"

"Virtual reality" is a "reality" that is created within the
constructs of a computer. It has no basis in actual
physical constructs.

Virtual reality
(VR) is a computer-generated three-dimensional environment that generally provides real-time
interactivity for the user.

Also...

Virtual reality (VR) is a term that applies to computer-simulated
environments that can simulate [mimic, replicate] physical presence in places in the real world,
as well as in imaginary worlds.

In virtual reality, href="https://www.dictionary.com/browse/simulation"
title="simulations">simulations are created. Some are very basic, whereas
others may be extremely sophisticated and complex. Virtual reality has been in place since
the...