Exodus 4:28

28 and Moses declareth to Aaron all the words of Jehovah with which He hath sent him, and all the signs with which He hath charged him.

Exodus 4:28 Meaning and Commentary

Exodus 4:28

And Moses told Aaron all the words of the Lord, who had sent
him
He declared his mission and commission from God, and gave him the particulars of what was to be said both to the people of Israel and to the king of Egypt; and this he did, because Aaron was to be his spokesman unto them: and all the signs which he had commanded him;
to do, first before the children of Israel, and then before Pharaoh; before the one to obtain credit of them, as being sent of God, and before the other to get leave of him for the departure of Israel out of Egypt.

Exodus 4:28 In-Context

26 and He desisteth from him: then she said, `A bridegroom of blood,' in reference to the circumcision.
27 And Jehovah saith unto Aaron, `Go to meet Moses into the wilderness;' and he goeth, and meeteth him in the mount of God, and kisseth him,
28 and Moses declareth to Aaron all the words of Jehovah with which He hath sent him, and all the signs with which He hath charged him.
29 And Moses goeth -- Aaron also -- and they gather all the elders of the sons of Israel,
30 and Aaron speaketh all the words which Jehovah hath spoken unto Moses, and doth the signs before the eyes of the people;
Young's Literal Translation is in the public domain.