An intranet is a private computer network that uses Internet protocols, network connectivity to securely share part of an organization's information or operations with its employees.Sometimes the...
The playstation network or the xbox live network. You can access it from all over the world, like the internet, but only by owners of the respectable consoles.
It is an internal network, within a company, that nobody or only selected individuals have access to from outside. A company might have its own network which can be an intranet. The general public...