Psalms 97 – 101 – What is His footstool? 2023

Psa 99:5
Exalt the LORD our God, And worship at His footstool; Holy is He.
1 Chron 28:2 Then King David rose to his feet and said, “Listen to me, my brethren and my people; I had intended to build a permanent home for the ark of the covenant of the LORD and for the footstool of our God. So I had made preparations to build it.
Psa 132:7 Let us go into His dwelling place; Let us worship at His footstool.