What are Ghosts or Spirits?
A ghost is said to be the apparition of a deceased person, frequently similar in appearance to that person, and usually encountered in places she or he frequented, or in association with the person's former belongings.
The word "ghost" may also refer to the spirit or soul of a deceased person, or to any spirit or demon.
Ghosts of animals have also been reported. Ghosts are often associated with hauntings.