infrastructure
In Getting Out of the City: Meaning and Structure in Everyday Encounters with Space , Bell and Dourish addresses the different layering of infrastructures in any urban environments: it’s physical (topologies), historical and cultural. On top of that, ubiquitous computing adds new infrastructural layers.
quote from the paper - “We are creating not a virtual but a thoroughly physical infrastructure, and we need to think about it as one that is interwoven with the existing physical structure of space.”