עֶ֥שֶׂר אַמּ֖וֹת אֹ֣רֶךְ הַקָּ֑רֶשׁ וְאַמָּה֙ וַחֲצִ֣י הָֽאַמָּ֔ה רֹ֖חַב הַקֶּ֥רֶשׁ הָאֶחָֽד׃
Ten cubits shall be the length of a board, and a cubit and a half the breadth of each board.
Read kabbalistic (mystical) interpretation of Exodus 26:16: and classical mystical sources.