'Sign' in the Bible

"Ask for a sign for yourself from Yahweh God; make [it] deep [as] Sheol or make [it] high as above."

Therefore the Lord himself will give you a sign. Look! the virgin [is] with child and she is about to give birth [to] a son, and she shall call his name 'God with us.'

And it will be a sign and a witness to Yahweh of hosts in the land of Egypt; when they cry out to Yahweh because of oppressors, he will send them a savior and a {defender}, and he will deliver them.

Then Yahweh said, "Just as my servant Isaiah has walked naked and barefoot three years [as] a sign and a portent against Egypt and Cush,

And this [shall be] the sign for you: the eating of volunteer plants this year, and in the second year self-seeded plants, and in the third year sow, reap, plant vineyards, and eat their fruit.

And this [is] the sign to you from Yahweh, that Yahweh will do this thing that he has spoken:

And Hezekiah said, "What [is the] sign that I shall go up [to] the temple of Yahweh?"

Instead of the thorn bush, [the] juniper shall go up; instead of the brier, [the] myrtle shall go up, and it shall serve as a memorial to Yahweh, for an everlasting sign [that] shall not be cut off."

And I will set a sign among them, and I will send survivors from them to the nations: Tarshish, Pul, and Lud, who draw [the] bow; Tubal and Javan, the faraway coastlands that have not heard [of] my fame, and have not seen my glory. And they shall declare my glory among the nations,