'Fight' in the Bible

Now all of Moab had heard that the kings had come up to fight against them, and all {who were fighting age and up} were called up, and they stood at the border.

then you must select the best and the most suitable from the sons of your master, and you must place [him] on the throne of his father, and they must fight for the house of your masters."

Then he said, "Open the window to the east," so he opened [it]. Elisha said, "Shoot," and he shot. Then he said, "An arrow of victory for Yahweh, and an arrow of victory against Aram; you shall fight the Arameans in Aphek until finishing [them]."

He heard about Tirhakah, the king of Cush, saying, "Look, he has set out to fight with you," so he again sent messengers to Hezekiah, saying,