What does Joshua 11:13 mean?

Joshua turned back at that time, and took Hazor, and struck its king with the sword: for Hazor used to be the head of all those kingdoms.

They struck all the souls who were in it with the edge of the sword, utterly destroying them. There was no one left who breathed. He burned Hazor with fire.

Joshua captured all the cities of those kings, with their kings, and he struck them with the edge of the sword, and utterly destroyed them; as Moses the servant of Yahweh commanded.

The children of Israel took all the plunder of these cities, with the livestock, as plunder for themselves; but every man they struck with the edge of the sword, until they had destroyed them. They didn’t leave any who breathed.

As Yahweh commanded Moses his servant, so Moses commanded Joshua. Joshua did so. He left nothing undone of all that Yahweh commanded Moses.

So Joshua captured all that land, the hill country, all the South, all the land of Goshen, the lowland, the Arabah, the hill country of Israel, and the lowland of the same;