Having discussed in general terms how radiations of light emerge from Adam Kadmon, we must now explain the details.
The proposition has three parts. Part 1: AV, SaG, MaH and BaN... This is what is revealed overall. Part 2: AV corresponds to the Chochmah... This discusses AV in particular. Part 3: But SaG... This discusses SaG in particular.
Part 1: AV, SaG, MaH and BaN are revealed from Adam Kadmon. For you have already heard that all that exists in all the different orders of the body is revealed in the face. And what is revealed in the face is revealed through the apertures, the fissures through which the soul breaks through. Now everything in the entire body consists of AV, SaG, MaH and BaN. If so, that which is revealed is AV, SaG, MaH and BaN.