'Testimonies' in the Bible

these are the testimonies, and the statutes, and the ordinances, which Moses spake unto the children of Israel, when they came forth out of Egypt,

Ye shall diligently keep the commandments of Jehovah your God, and his testimonies, and his statutes, which he hath commanded thee.

When thy son asketh thee in time to come, saying, What mean the testimonies, and the statutes, and the ordinances, which Jehovah our God hath commanded you?