'Commandment' in the Bible

Why then hast thou not kept the oath of Jehovah, and the commandment that I have charged thee with?

and he cried unto the man of God that came from Judah, saying, Thus saith Jehovah, Forasmuch as thou hast been disobedient unto the mouth of Jehovah, and hast not kept the commandment which Jehovah thy God commanded thee,