In general, a connection can be a transport connection, a human connection or a territorial affiliation. In the context of ITWissen.info, the term connection is limited to the transition between communication facilities and the communication link between communication partners.
- A technical connection between information and communication facilities is a transition from one device or system to another. Such a transition can be realized by an interface, a cable or a connector.
- In telephone networks, the connection links the terminal equipment at the subscriber 's end with a network node of the network operator. Depending on the type of use, a distinction is made between dial-up connections, fixed connections, universal connections, fax connections, distribution connections, and many more.