וַיֵּרָ֧א יְהוָ֛ה בָּאֹ֖הֶל בְּעַמּ֣וּד עָנָ֑ן וַיַּעֲמֹ֛ד עַמּ֥וּד הֶעָנָ֖ן עַל־פֶּ֥תַח הָאֹֽהֶל׃ (ס)
And the LORD appeared in the Tent in a pillar of cloud; and the pillar of cloud stood over the door of the Tent.
Read midrashic interpretation of Deuteronomy 31:15: and classical rabbinic exegesis.