Having introduced the general subject of the Nekudim, we will now enter into the details.
The proposition consists of two parts. Part 1: The root of the existence... This is a general statement of the first principle relating to the Nekudim and their repair. Part 2: For if there had been no damage... This specifies the implications of this principle.
Part 1: The root of the existence of damage and repair... For the Sefirot are the calculations and measures devised by the Supreme Mind to cover the needs of the entire governmental order, and if creation and destruction exist in the world, this must be rooted in the Sefirot.