The governmental order is indeed drawn down directly to the receivers through the main Partzufim that are involved in this – Zeir and Nukva, Jacob and Leah – while these other radiations – the diagonals – are subordinate to them. Nevertheless, these other radiations also give rise to certain consequences in the government, but they come from the sides or at a tangent, as it were, rather than directly. There is some particular reason why these aspects emerge to carry out a unique function in the overall government.
Zeir's Legacy
Kalach Pitchei Chokhmah 117:7