electronic information network(A system of interrelated computer and telecommunications devices linked to permit the exchange of data in digital or analog signals)
wide area network(A system of interrelated computer and telecommunications devices linking two or more computers separated by a great distance for the exchange of electronic data)
hydrographic network(The configuration or arrangement in plan view of the natural stream courses in an area. It is related to local geologic and geomorphologic features and history. Synonym: drainage pattern)
environmental information network(A system of interrelated persons and devices linked to permit the exchange of data or knowledge concerning natural resources, human health and other ecological matters)
municipal heating network(System of heating all houses in a urban district from a central source (as from hot springs in Iceland or by cooling water from a power station))
