Network connectivity is also a kind of metric to discuss how well parts of the network connect to one another. Related terms include network topology, which refers to the structure and makeup of the network as a whole.
There are many different network topologies including hub, linear, tree and star designs, each of which is set up in its own way to facilitate connectivity between computers or devices. Each has its own pros and cons in terms of network connectivity.
IT professionals, particularly network administrators and network analysts, talk about connectivity as one piece of the network puzzle as they look at an ever greater variety of networks and the ways networking pieces go together.