'Signs' in the Bible

And if they have no faith even in these two signs and will not give ear to your voice, then you are to take the water of the Nile and put it on the dry land: and the water you take out of the river will become blood on the dry land.

And take in your hand this rod with which you will do the signs.

And Moses gave Aaron an account of all the words of the Lord which he had sent him to say, and of all the signs which he had given him orders to do.

And Aaron said to them all the words the Lord had said to Moses, and did the signs before all the people.

And I will make Pharaoh's heart hard, and my signs and wonders will be increased in the land of Egypt.

And the Lord said to Moses, Go in to Pharaoh: for I have made his heart and the hearts of his servants hard, so that I may let my signs be seen among them:

And so that you may be able to give to your son and to your son's son the story of my wonders in Egypt, and the signs which I have done among them; so that you may see that I am the Lord.