Part 15 · Chapter 179

And behold, you already know that the body of MaH is inner, and the body of BaN is external; and likewise in the lights: the lights of MaH are inner, and the lights of BaN are surrounding (Makifim). It follows that the inner NRN of MaH are lights for the three inner vessels, and the Makifim are lights for the three external vessels, from the name BaN.