Infrastructure is the basic physical and organizational structures needed for the operation of a society or enterprise,[1] or the services and facilities necessary for an economy to function.[2]
The term typically refers to the technical structures that support a society, such as roads, water supply, sewers, electrical grids, telecommunications, and so forth, and can be defined as "the physical components of interrelated systems providing commodities and services essential to enable, sustain, or enhance societal living conditions."[3]
Viewed functionally, infrastructure facilitates the production of goods and services, and also the distribution of finished products to markets, as well as basic social services such as schools and hospitals; for example, roads enable the transport of raw materials to a factory.[4] In military parlance, the term refers to the buildings and permanent installations necessary for the support, redeployment, and operation of military forces.[5]
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