The relationships between parts of a system—together with interdependence, part of why complexity in systems creates uncertainty. Specifically, see #18: Coronavirus.
#1: Varieties of the unknown#15: Maintenance by design#18: Coronavirus#24: Building capacitycomplexityFULL LIST OF TOPICSinterdependentprecautionary principlerisk vs. uncertaintystacking the deckuncertain futuresuncertainty