A hallucination is the perception of a real object or event that does not actually exist. In simple words, it is when you see something that does not exist and perceive it as real. Some people have these kinds of visions from time to time; these are called hypnagogic hallucinations or glitches. Usually such visions are harmless, but sometimes they can be very vivid and realistic.
Hallucines are visions that appear during severe depletion of the nervous system. Hallucin is a phenomenon that resembles a dream, only