Augmented Reality is an enhanced version of reality, which uses computer-generated images to superimpose on the user's vision of real-world elements and physical objects.

Virtual Reality is the creation of a completely different environment through technology. However, for the human brain it seems to be real, thanks to the stimulation of all the senses.

A three-dimensional hologram is defined as a projection that exists freely in space and is visible without the need for 3D glasses.