The first level he describes as consciousness. These are conscious thoughts and emotions, or those just below conscious awareness. Reversals are normal everyday English usage. The second level he describes as personal consciousness. These are thoughts, emotions, and personality matrices that are below the level of conscious awareness.
Reversals are metaphors and shortened sentences.
The third level he describes as the collective unconscious. These are a variety of patterns and issues from the core of our being. Reversals are archetypes, strong metaphors, and occasionally old styled English language, such as King James. Metaphors are symbolic words. Some have universal meanings in Reverse Speech and others are representational to the individual only.