These are two cities at opposite ends of Edom. This means that God will destroy all of Edom. (See: [[rc://en/ta/man/translate/translate-names]])
## They will fall by the sword ##
The word "fall" represents being killed and "sword" refers to battle. AT: "Their enemies will kill them with their swords" (See: [[rc://en/ta/man/translate/figs-metonymy]])