A system of public works; such as, roads and sewers, necessary to the functioning of a society.

1. The basic underlying framework or features of a system or organization.
2. Large-scale public systems like power, water supply, roads, public transportation, etc.

While economists may debate the details, the combined national, provincial, and local spending for economic stimulus promises to change the face of China, giving the country a world-class infrastructure to move goods and people quickly, affordably, and reliably across great distances.

Infrastructure refers to the foundation of an organization as well as large scale public systems; such as, roads and public buildings of a country or region. You will often hear information technology (I.T.) professionals discuss their network infrastructure for their computer network.