'Signs' in the Bible

But when he came out, he was unable to speak to them; and they realized that he had seen a vision in the temple; and he kept making signs to them, and remained mute.

And they made signs to his father, as to what he wanted him called.

Now having been questioned by the Pharisees as to when the kingdom of God was coming, He answered them and said, “The kingdom of God is not coming with signs to be observed;

and there will be great earthquakes, and in various places plagues and famines; and there will be terrors and great signs from heaven.

“There will be signs in sun and moon and stars, and on the earth dismay among nations, in perplexity at the roaring of the sea and the waves,