'Signs' in the Bible

Thus saith the LORD, Learn not the way of the heathen, and be not dismayed at the signs of heaven; for the heathen are dismayed at them.

And you, you must not listen to your prophets, and to your diviners, and to your dreamers, and to your interpreters of signs, and to your sorcerers who are {saying}, 'You will not serve the king of Babylon.'

For this is what the Lord of armies, the God of Israel, has said: Do not let yourselves be tricked by the prophets who are among you, and the readers of signs, and give no attention to their dreams which they may have;

Truly, after I had been turned, I had regret for my ways; and after I had got knowledge, I made signs of sorrow: I was put to shame, truly, I was covered with shame, because I had to undergo the shame of my early years.

Set up for thee signs, make for thee heaps, Set thy heart to the highway, the way thou wentest, Turn back, O virgin of Israel, Turn back unto these thy cities.

Which hast set signs and wonders in the land of Egypt, even unto this day, and in Israel, and among other men; and hast made thee a name, as at this day;

And hast brought forth thy people Israel out of the land of Egypt with signs, and with wonders, and with a strong hand, and with a stretched out arm, and with great terror;

But they had no fear and gave no signs of grief, not the king or any of his servants, after hearing all these words.

All you who are round about him, give signs of grief for him, and all you who have knowledge of his name, say, How is the strong rod broken, even the beautiful branch!