The developmental chain is so arranged that all of Netzach-Hod-Yesod of every upper Partzuf are themselves the mental powers of the Partzuf below it. As discussed earlier, there are differences in the way the different states of the Partzufim appear in the prophetic vision depending on what the Supreme Will wants to reveal through them. Thus in one aspect the Partzufim are governed one under the other – in the sense that Malchut of the upper Partzuf governs the lower Partzuf.
This is called the order of the chain of development (השתלשלות, hishtalshelut). The prophetic vision reveals this aspect by showing how Netzach-Hod-Yesod of the upper Partzuf serve as the mental powers in the lower Partzuf. (For Netzach-Hod-Yesod of the upper Partzuf serve the needs of the lower Partzuf, while Malchut stands behind channeling their influence to the lower Partzuf. In the chain of development, the mental powers thus complete the lower Partzuf by providing its interior soul – pnimiyut.)