The Preconscious (n.) is the antechamber whose thoughts may enter consciousness given enough intensity and attention — and the system that holds the key to voluntary movement.
The Preconscious (n.) holds trains of thought that are perfectly rational, merely neglected or broken off — not forbidden, just unattended.
The Preconscious (n.) is a late-arriving manager whose role is restricted once and for all to routing the unconscious's wishes by the most expedient paths.
The Preconscious (n.) is the unconscious only in name — the latent idea that could step into the light at any moment, unlike the repressed which cannot.
The Preconscious (n.) is the drawing-room beside the crowded entrance hall of the unconscious, where a watchman at the door turns away the impulses he dislikes.
The Preconscious (n.) holds latent ideas that can step into consciousness easily, unlike the unconscious proper.