The Inner and Encompassing Mental Powers: the Tzelem
The entire array of Mental Powers with which Abba and Imma adorn Zeir Anpin all make up one entity of Ten Sefirot. This entity is unsuited to enter into Zeir Anpin because of the disparity in their respective levels – with the sole exception of its Netzach-Hod-Yesod – while the rest stays outside encompassing Zeir Anpin above his head. This entire entity is the TZeLeM (צלם). The letter Tzaddi of TzeLeM is the Netzach-Hod-Yesod: this specifically is what extends to all levels of Zeir Anpin. What remains outside is the Lamed-Mem. These do not need to spread; rather they are only in the mystery of Kindness-Judgment-Mercy, which are the basis of the entire governmental order.