Matthew Henry Presbyterian @wholebiblehenry

The first thing which is here ordered to be made is the ark with its appurtenances, the furniture of the most holy place, and the special token of God's presence, for which the tabernacle was erected to be the receptacle. I.

Commenting on Exodus 25:10-22

John Gill Reformed Baptist @doctorgill

And thou shall put into the ark the testimony that I shall give thee. Which was the principal use of it: by the "testimony" is meant the law, written on two tables of stone; so called, because it was a testification of the mind and will of God, what he would have done or omitted; and as the Israelites had declared their approbation of it...

Jamieson-Fausset-Brown Reformed @jfbcommentary

staves shall be in the rings of the ark--that is, always remain in the rings, whether the ark be at rest or in motion.