She and Coz had talked at length about why she kept the stolen objectsseparate from the rest of her life: because using them would imply greed or self-interest, because leaving them untouched made it seem as if she might one day give them back, because piling them in a heap kept their power from leaking away.
She uses the organizational framework of modular design, in which children learn to use objects that are categorized by geometric shape and mathematical measurement in separate containers.