'Covenant of the Lord' in the Bible

So watch yourselves, that you do not forget the covenant of the Lord your God which He made with you, and make for yourselves a graven image in the form of anything against which the Lord your God has commanded 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.

Then men will say, ‘Because they forsook 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.

that Moses commanded the Levites who carried the ark of the covenant of the Lord, saying,

“Take this book of the law and place it beside the ark of the covenant of the Lord your God, that it may remain there as a witness against you.