'Signs' in the Bible

And if they do not believe even these two signs or listen to you, then take some water from the Nile and pour it out on the dry ground. The water you take out of the Nile will become blood on the dry ground."

You will also take in your hand this staff, with which you will do the signs."

Moses told Aaron all the words of the Lord who had sent him and all the signs that he had commanded him.

Aaron spoke all the words that the Lord had spoken to Moses and did the signs in the sight of the people,

But I will harden Pharaoh's heart, and although I will multiply my signs and my wonders in the land of Egypt,

The Lord said to Moses, "Go to Pharaoh, for I have hardened his heart and the heart of his servants, in order to display these signs of mine before him,

and in order that in the hearing of your son and your grandson you may tell how I made fools of the Egyptians and about my signs that I displayed among them, so that you may know that I am the Lord."