Halloween is often a time when metaphysical questions are on your mind. Two topics that may be of interest involve an explanation of mediumship and channeling.
Generally speaking, mediumship may be considered the process that takes place when a person (the medium) is used in a cooperating effort between the medium and an entity in the spirit world in order to communicate with a human being.
A channel is usually thought of as the tool that provides the pathway that enables communication. What do you think of when you hear the word channel?