Sha'ar HaGilgulim, Hakdamah 11, Lesson 3
Rectification of the five parts of the soul. The five level soul, NaRaNHaY is simply a metaphor for the expanding levels of consciousness every human being must eventually experience in order to become a whole and complete human soul.
Fulfilling all the commandments, as discussed in the Etz Hayim, Gate 50 series (lessons 5-6). The parts of the greater soul body of collective humanity and each individual must be energetically complete. The fulfillment of the commandments becomes a metaphor as opposed to a literal possibility.
How and what one blemishes or repairs individually within oneself is exclusively relative to his source super-soul. One can only damage that with which one has immediate connection.
How Jung discovered the collective unconscious and its relationship to the levels of relationship between kindred souls. Soul families.