A piece of electronic equipment that gathers separate related things together. A networkA collection of items like computers, printers, phones, and other electronic items that are connected together by switches and routers. A network allows the connected devices to talk to each other electronically. The internet is an example of an extremely large network. Your home network, if you have one, is an example of a small local network. hub, for instance, might bring together the individual network connectionsThis refers to some kind of electrical connection. It might be through a network cable, a cable connection, a wireless connection, or a phone - just to name some options. The connection might be to the internet or to some other local device. of multiple local users. A sensor hub brings together sensor data from multiple separate sensorsA device that can measure something about its environment. Examples are movement, light, color, moisture, pressure, and many more. for possible combination.
Or, more specifically, a device in the home (or elsewhere) that acts as a central point connecting a variety of smart-home (or other) devices. The devices talk to the hub; the hub talks to the cloudA generic phrase referring to large numbers of computers located somewhere far away and accessed over the internet. For the IoT, computing may be local, done in the same system or building, or in the cloud, with data shipped up to the cloud and then the result shipped back down..