Exodus 4:8 is God's instruction about the first sign — the very sign Moses then tells Aaron about in this verse, showing the command's fulfillment.

Exodus 4:9 gives the second sign (water to blood) — the sign Moses recounts to Aaron here, continuing the pattern of obedience.

Exodus 4:11-13 is the conversation where God addresses Moses' speech concern — the content Moses reported to Aaron here.

In Exodus 4:15, God promises to teach Moses and Aaron what to say — here Moses delivers those very words to Aaron, fulfilling that promise.

Exodus 4:16 appoints Aaron as Moses' spokesman — this verse shows Moses beginning that role by telling Aaron God's words.