Put the altar in front of the inside curtain of the sacred tent. The chest with the place of mercy is kept behind that curtain, and I will talk with you there.
When the Israelites are ready to move their camp, Aaron and his sons will enter the tent and take down the curtain that separates the sacred chest from the rest of the tent. They will cover the chest with this curtain,
This is why Christ did not go into a tent that had been made by humans and was only a copy of the real one. Instead, he went into heaven and is now there with God to help us.