EMF: Electromagnetic Field This is a field
that is believed to be present when there is
paranormal activity.
EVP: Electronic Voice Phenomenon These
sounds maybe from spirits that are caught
on recording devices. These are not heard
at the time, but during playback.
IR: Infrared Helps to see in low or no light
situations. Used with video cameras.
ORBS: Light Anomalies These can be
from spirits or dust or just free floating
energy.
APPARITIONS: The manifestations of  
spirit energy.
RESIDUAL HAUNTING: When energy is
released into the atmosphere, it may
charge a certain place (house,hotel,etc).
Then at random times, releases as sounds
or smells or even apparitions.
INTELLIGENT HAUNTING: When a spirit
is present, it will interact with people and
the environment. It may throw things or
touch people.
INHUMAN HAUNTING: Evil entities that
have never walked the earth in human form.
GROUNDED SPIRIT: A spirit that for what
ever reason can or will not leave.
VISITATION: A spirit that for reasons of
their own come back to visit a place or
person.
COLD SPOTS: These are areas that a
spirit maybe trying to manifest. It takes a lot
of energy to do this. So when a spirit draws
this energy it leaves the area feeling cold.