'Four' in the Bible

Then I looked up and saw four horns.

Then the LORD showed me four artisans.

""Come now! Come now! Flee from the land of the north,' declares the LORD, "for I have dispersed you like the four winds of heaven,' declares the LORD.

Then I looked up and saw four chariots coming out from between two mountains! And the mountains were made of brass!

The angel told me, "These are four heavenly spirits that are going out on patrol after having presented themselves to the Lord of the whole earth.