As Moses entered the tent, the pillar of cloud would come down and remain at the entrance, and the LORD would speak with Moses.

Exodus 13:21
And the LORD went before them in a pillar of cloud to guide their way by day, and in a pillar of fire to give them light by night, so that they could travel by day or night.

Exodus 33:8
Then, whenever Moses went out to the tent, all the people would stand at the entrances to their own tents and watch Moses until he entered the tent.

Exodus 33:10
When all the people saw the pillar of cloud standing at the entrance to the tent, they would stand up and worship, each one at the entrance to his own tent.

Exodus 34:5
And the LORD descended in a cloud, stood with him there, and proclaimed His name, the LORD.

Deuteronomy 31:14
Then the LORD said to Moses, "Behold, the time of your death is near. Call Joshua and present yourselves at the Tent of Meeting, so that I may commission him." So Moses and Joshua went and presented themselves at the Tent of Meeting.

Deuteronomy 31:15
Then the LORD appeared at the tent in a pillar of cloud, and the cloud stood over the entrance to the tent.

Psalm 99:7
He spoke to them from the pillar of cloud; they kept His decrees and the statutes He gave them.

And it came to pass, as Moses entered into the tabernacle, the cloudy pillar descended, and stood at the door of the tabernacle, and the Lord talked with Moses.