This may refer to a rope that enemies would tie on the people of Judah when they captured them. Or it might mean that Jerusalem's women would have nothing to wear but rough clothing secured with ropes.
Falling represents being killed, and the sword represents battle. AT: "Your men will be killed in battle, and your strong men will be killed in war" or "Enemies will kill your soldiers in battle" (See: [[rc://en/ta/man/translate/figs-metonymy]])
Here the city gates represent the people who sit at the public places near the city gates. AT: "The people of Jerusalem will sit at the city gates and cry and mourn" (See:- [[rc://en/ta/man/translate/figs-metonymy]])
Isaiah speaks of the people of Jerusalem, whom no one will save from their enemies, as if they were the city itself and as if they were a woman who sits on the ground because all her friends have deserted her. (See: [[rc://en/ta/man/translate/figs-personification]] and [[rc://en/ta/man/translate/figs-metonymy]])