Every so often, there are bizarre conditions enclosing a death, and these incomparable conditions lead to configuration of something what we label as Ghosts and ghostly haunting.To put it in another way, a human being entrapped by exceptional circumstances in this world whilst already; being in the next world (astral plane) turns out to be a Ghost.

There are many misconceptions about Ghosts. This article, thereby; pops out to clarify those delusions and grant you a clear vision of recognizing a Ghost virtually and also others that are claimed to be one.

Ghosts and Spirits
Though wrongly comprehended like one, Ghosts and Spirits are not the same thing. Spirits are personalities of individuals who leave behind the door of the former world and possess the capability of progressing with complete existence in the next one. They are incorporeal entities of the once living; who can travel, contemplate, act with a purpose, and are fully capable of transiting from one plane to another and also drop by and interact with a loved one or any family member they have left behind. Unlike Ghosts, Spirits are free to oscillate; until they renew themselves or move to an upper level of the astronomical plane.
Ghosts and Orbs
Often, Orbs and Ghosts are interlinked with each other and sometimes they are proclaimed to be the same. Even if, they both are seen as personas that once lived on earth and now are earthbound and incapable to move on to another realm. Existence of orbs is often more challenged than the existence of Ghosts; as orbs; being tiny circular vapour-like masses of energy are said to be technical imperfections (as they can only be seen in photos and videos) and not realism.   
Ghosts and Supernatural’s
Both, Supernatural phenomenon and a Ghost are roofed by same abode of spirituality, belief and metaphysics, but they are not the same. A ghost is a disembodied entity who is not ready to set free from his physical attachments and; thereby remain back in their preceding plane though expired. The Supernatural is an extensively broad term, encircling a surplus of paranormal phenomenon and powers, counting ghosts; as well. Thus, Ghosts are branch of the world of Supernatural’s.