Class One. There are four levels (like Hishtalshelus) and in each one there are three, like חג”ת. And above that is the plain essence of Godliness. מנוחה שלימה וכו. Every Jew is connected to all the levels of Hishtalshelus (like the ladder which is Tefilla) and also to the Yechida.
Class Two. This Ma’amar and it’s connection to the Geula of the Mitteler Rebbe. When one squeezes an olive, the oil is given or found. It was said before Mincha as Torah gives Koach to all. The idea that even in Atzmus we can have an awareness. יכירו וידעו בניך כי מאתך היא מנוחתם -the highest level is known by Yidden on a level of knowledge.