Page 2 ff.
The structure of the entire Hemshech is overviewed in this class. 1) Panim vs. Achorayim, 2) the need for nesira before Yichud Pnimi, 3) Panim.
Any and all hisbonenus is Achorayim, because naturally, a Yid is one with Godliness and any need for Moach and Lev is achorayim.
This Ma’amar only gives us Hisbonenus of Mimalei Kol Almin.
