This section expands upon the idea of Partzufim which we’ve already encountered . It’s spoken of here at more length than before because it was the Tikkun process — which was focused upon in the previous section — that allowed for the formation of Partzufim.
We’ll also find that rest of Klach Pitchei Chochma will expand upon each Partzuf as it completes Ramchal’s depiction of the entire Kabbalistic system.
As such the first Petach of the section, 70, defines Partzuf as follows. A Partzuf comes about by a single light, i.e., Sephira, expanding outward and revealing all of its aspects as a single order i.e., in human configuration.
 See 3:2 and 4:1, 5 for example.
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