Isaiah With Training Wheels: Ch. 27
The corresponding part of the chiasmus covering chapters 24-27 involves the destruction of Babylon. In contrast, this is about gathering and nurturing Zion. Zion is the garden that God nurtures.
A God’s victory in Heaven, the Great Sword (v. 1)
B The Lord’s vineyard, destined to fill the world (v. 2-6)
C The Lord’s dealings with his people (v. 7-11)
B The Lord’s harvest, gathered from all the world (v. 12)
A God call on earth, the Great Trumpet (v. 13)