'Signs' in the Bible

But when he came out he could not speak to them, and they recognised that he had seen a vision in the temple. And he was making signs to them, and continued dumb.

And they made signs to his father as to what he might wish it to be called.

there shall be both great earthquakes in different places, and famines and pestilences; and there shall be fearful sights and great signs from heaven.

And there shall be signs in sun and moon and stars, and upon the earth distress of nations in perplexity at the roar of the sea and rolling waves,