Joseph Benson's Commentary of the Old and New Testaments - Exodus 33:9-10
Exodus 33:9-10. As Moses entered the tabernacle, the cloudy pillar descended This symbol of the divine presence having before gone up, and stood aloof from the camp, which was become unclean through their idolatry, now came down again, upon the removal of the tabernacle. And stood at the door of the tabernacle Openly to assert the authority of Moses, with whom God showed himself present, though he had withdrawn himself from them; and to signify his approbation of what he had done, however... read more
Albert Barnes' Notes on the Whole Bible - Exodus 33:10
The tabernacle door - The entrance of the tent.The people by their act of worship gave another proof of their penitence. read more