infrastructure

Noun infrastructure has 2 senses

• infrastructure(n = noun.artifact) substructure - the basic structure or features of a system or organization;
is a part of system
is a kind of structure

• infrastructure(n = noun.artifact) base - the stock of basic facilities and capital equipment needed for the functioning of a country or area; "the industrial base of Japan"
has parts: communication equipment, communication system, fire station, firehouse, gas system, main, penal facility, penal institution, grid, power grid, power system, public works, school system, sewage system, sewage works, sewer system, transit, transportation, transportation system, water, water supply, water system
is a kind of fund, stock, store