Virtual reality or simply VR is a simulated environment created by technology. The environment can be a completely made-up, but it can also be a real location captured beforehand. We then enter that reality through a head-mounted display (HMD), smartphone, tablet, or computer. We can then interact and navigate the surroundings in the new environment.
Virtual reality aims to use as many of our senses as possible. Vision, touch, hearing, and sometimes even our smell is used to create a fully immersive experience of being somewhere else.