'Sign' in the Bible

Gehazi went ahead of them and placed the staff on the boy’s face, but there was no sound or sign of life, so he went back to meet Elisha and told him, “The boy didn’t wake up.”

Then Eliakim, the son of Hilkiah, who was over the house, and Shebna the scribe, and Joah, the son of Asaph, the recorder, came to Hezekiah, with their clothing parted as a sign of grief, and gave him an account of what the Rab-shakeh had said.

And this shall be a sign unto thee, Ye shall eat this year such things as grow of themselves, and in the second year that which springeth of the same; and in the third year sow ye, and reap, and plant vineyards, and eat the fruits thereof.

And Hezekiah said unto Isaiah, What shall be the sign that the LORD will heal me, and that I shall go up into the house of the LORD the third day?

And Isaiah said, This sign shalt thou have of the LORD, that the LORD will do the thing that he hath spoken: shall the shadow go forward ten degrees, or go back ten degrees?

And the king, hearing the words of the book of the law, took his robe in his hands, violently parting it as a sign of his grief;

And he saith, 'What is this sign that I see?' and the men of the city say unto him, 'The grave of the man of God who hath come from Judah, and proclaimeth these things that thou hast done concerning the altar of Beth-El.'