'Fight' in the Bible

Abner said to Joab, "Let the young men come up and fight in our presence." And Joab said, "Let them come up."

Then Joab blew on the trumpet and all the people stopped, and they no longer pursued after Israel, and they did not fight with them again.

if the anger of the king rises and he says to you, 'Why did you go near the city to fight? Did you not know that they would shoot from [atop] the wall?