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home network(1) A central system for controlling lights and appliances in the home. See home control network.
(2) A home network comprises the computers and mobile devices that are connected for file sharing and Internet access. A wireless router is all the hardware that is necessary. A home network is a "local area network" (LAN) combined with a Wi-Fi hotspot. See wireless router, LAN and Wi-Fi hotspot. Contrast with business network.