All forms of buildings (residential, industrial, commercial, hospitals, schools), all economic infrastructure (above and below ground) and the urban space and landscape between and around buildings and infrastructure3, as well as the services and activities provided through these spaces and assets. ^[1]

[1] Gürdür Broo, D., Lamb, K., Juvenile Ehwi, R., Anneli Pärn, E., 2020. Four Futures, One Choice: Options for the Digital Built Britain of 2040. Researchgate.