Is the disembodied soul of a deceased person that has not successfully crossed over to the other side. Ghosts become attached to a location for many different reasons that we will never be able to explain. They also do not feel as if they are deceased and do not know to cross over.
Is a person who has passed away and has successfully made the transition over to the other side. They often get mistaken for being a ghost, but unlike a ghost they are not stuck here in this world and often just come to visit with us and return back over as often as they would like.