…and is only complete with the Crown (Keter) and the Mental Powers (מוחין, mochin) within it… These are two distinct aspects both of which are needed in order for the Partzuf to exercise its governmental power. The crown, Keter, is one kind while the mental powers are another.
Part 2: …that is, through the mystery of the indwelling of the one above it, which rests upon it. For there must be a superior power that governs the lower one, as distinct from the lower power itself in all its attributes. The crown, Keter, is the superior power. (Keter reflects the governmental mode of the Partzuf above).