Exodus 40:28 Kabbalah

וַיָּ֛שֶׂם אֶת־מָסַ֥ךְ הַפֶּ֖תַח לַמִּשְׁכָּֽן׃

And he put the screen of the door to the tabernacle.

Read kabbalistic (mystical) interpretation of Exodus 40:28: and classical mystical sources.