'Form' in the Bible

They shall be joined together underneath, and joined together on top with one ring. So shall it be for both of them; they shall form the two [rear] corners.

“You shall make a screen [to provide a covering] for the doorway of the tent of blue, purple, and scarlet fabric and finely woven [embroidered] linen, the work of an embroiderer.

Each board had two tenons (dovetails), fitted to one another; he did this for all the boards of the tabernacle.