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A router is a device used to connect multiple networks and route network traffic between them. In the context of home networking equipment, a router typically connects a local area network (LAN) of devices, such as computers, tablets, smartphones, and other Internet of Things (IoT) devices, to a wide area network (WAN), such as the internet. The router serves as the central hub for all network traffic within the home, managing data flow between devices and ensuring efficient communication. By connecting to the WAN, the router enables all connected devices to access the internet. Additionally, routers often provide features like firewalls, parental controls, and virtual private networks (VPNs) to enhance security and privacy for home networks.