The underlying framework of systems and facilities necessary for a society or enterprise to function is vital for understanding spatial organization and human activity. These systems include transportation networks (roads, railways, airports, ports), communication networks (telecommunications, internet), energy distribution systems (power grids, pipelines), water supply systems, and waste management systems. Examples of these foundational supports are highways connecting urban centers, broadband internet facilitating global communication, and water treatment plants providing potable water to communities.
The existence and quality of these systems profoundly influence economic development, population distribution, and societal well-being. Regions with well-developed systems tend to attract investment, support higher population densities, and exhibit improved living standards. Historically, the development of such systems has been a key driver of urbanization and globalization, enabling the efficient movement of goods, people, and information across space. Inadequate systems can hinder economic growth, exacerbate social inequalities, and contribute to environmental degradation.