What about in the second Beis Hamikdash? More receivable Shechina. Contains the highest of the high, but layered, receivable. And today? In Halacha. The container for the Shechina. Why Malchus? It takes Malchus to deed. It takes action. Using our blood for Gd. Meditation+Action. Full body experience of Gd. Why Halacha? 620 - Keser. HaShem’s Will. 613+7=620. His Will is the deed. All of it comes back to the rules. Mind - body. Gd - man. Gd - world. Will and Wisdom. Keser and Chochma. Chochma - Malchus. Father - Daughter. Mind - Body. Infinite - Finite.