In Sefer Yetzirah the 10 Sefirot are always referred to as Sefirot of Nothingness בלימה (blimah). Unlike the 22 Letters which can be expressed in speech, the10 Sefirot are conceptual, perceived in the mind. And so are numbers. This image depicts the 10 Sefirot as a Tree of Life Diagram with 3 vertical columns. It representsthe human form as a reflection of the Divine.
כתר (Keter) Crown
בינה (Binah) Understanding חכמה (Chochmah) Wisdom
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