What is essential urban systems here?

Water, energy, waste — the working body of a place.

INNERInnerspaceWithin
Perception, attention, capability — what registers in you.
- What is essential urban systems here?
INTERInterspaceInteract
Interaction with people, products, tools, interfaces and services.
OUTEROuterspaceAround
Places, institutions, infrastructure — the physical field around you.
ETHEREtherspaceBeyond
Networks, knowledge, policy, data — the wider forces reaching here.