Paranormal Activity

Exorcism

A religious ritual, performed by an Exorcist or Demonologist. The Exorcist confronts the Demon and commands it to leave a house, or a person it has possessed.

Exorcist

Someone who's trained and qualified by the Catholic Church to perform exorcisms.

Demonologist

An expert in the field of Demonology. Can identify and communicate with demons, and may perform exorcisms. Often, a Demonologist will work with a Church sanctioned exorcist rather than perform exorcisms himself.

Possession

When A demonic entity takes control over a person's body. This is always done for evil purposes, and the demon may want to harm the subject it's possessing, or use the possession victim to inflict harm on others.

Apparition

The visual materialization of an entity which is witnessed by a living person.
Usually done on purpose when the entity wants to be seen by a certain individual, either to relay a message or to instill fear.

E.V.P.

Electronic Voice Phenomenon. The practice of capturing disembodied voices using a tape recorder.

Ouija Board (talking board)

A game where players hold a planchette (cursor) over a board containing letters, and let spirits guide it to spell words and answers to questions. Considered by experts to be dangerous as it may invite and empower evil spirits.