The higher circle includes the leader and delegate of the lower circle. The higher circle can raise an objection that the leader and delegate can bring back to the lower circle. And the higher circle can make a change to the domain of the lower circle – again, with consent of the leader and delegate of the lower circle. But the higher circle cannot just overturn a decision that is in another circle’s domain.
For more information, check out our handbook Many Voices One Song section 2.3 and chapter 3