1)
Will the mountain rejoice?!
1.
Radak #1: This is a metaphor, like "Yesusum Midbar v'Tziyah v'Sagel Aravah" (Yeshayah 35:1).
2.
Radak #2: The residents of Har Tziyon will rejoice.
2)
What are "Bnos Yehudah"?
1.
Rashi: All other cities of Yehudah are like daughters to Tziyon. This is like "va'Yilkod Es Kenas v'Es Benoseha" (Bamidbar 32:42).
2.
Radak: The towns and villages around Yerushalayim are like her daughters.
3)
What is "Lema'an Mishpatecha"?
1.
Rashi: You will judge the nations.
2.
Radak: The judgments that You will do to the legions of nations coming against Yerushalayim.
3.
Malbim: Tziyon rejoices due to the judgments. They benefit them, to save them from their enemies.
