with its valleys that lie beside the Moabite border and extend to the town of Ar.
This is a message about Moab: The towns of Ar and Kir were destroyed in a night. Moab is left in ruins!
A song in The Book of the LORD's Battles mentions the town of Waheb with its creeks in the territory of Suphah. It also mentions the River Arnon,
His armies marched out like fiery flames, burning down the town of Ar and destroying the hills along the River Arnon.
“Moses, now go past the town of Ar and cross Moab's northern border
The LORD told me, “Don't try to start a war with Moab. Leave them alone, because I gave the land of Ar to them, and I will not let you have any of it.”