'Covenant of the Lord' in the Bible

So be on your guard and watch yourselves, so that you do not forget the covenant of the Lord your God which He has made with you, and make for yourselves a carved or sculpted image in the form of anything which the Lord your God has forbidden you.

At that time the Lord set apart the tribe of Levi to carry the ark of the covenant of the Lord, to stand before the Lord to serve Him and to bless in His name until this day.

so that you may enter into the covenant of the Lord your God, and into His oath and agreement which the Lord your God is making with you today,

Then people will say, ‘It is because they abandoned (broke) the covenant of the Lord, the God of their fathers, which He made with them when He brought them out of the land of Egypt.

So Moses wrote this law and gave it to the priests, the sons of Levi who carried the ark of the covenant of the Lord, and to all the elders of Israel.

he commanded the Levites who carried the ark of the covenant of the Lord, saying,

“Take this Book of the Law and put it beside the ark of the covenant of the Lord your God, so that it may remain there as a witness against you.