What is the Difference between a Psychic and a Medium?

Definition of a Psychic--sensitivity of the mind and body to subtle vibrations using the collective unconscious
Definition of a Medium - one whose organism is sensitive to vibrations from the Spirit World and who also has access to the collective unconscious
The difference is a Spiritual Medium uses both the collective unconscious as well as the spirit world for information while the Psychic is limited to only the unconscious.
A reading is psychic information given by a professional Psychic Medium to an individual, regarding that persons lifestyle, personality, past, present and future experiences or regarding answers to questions on the clients mind.