interpersonal communication
instant messaging
a contest betwwen two people is called a match
to communicate between two people
a corporation
argument
co-workers
You have a network of computers!
People use servers for such purposes. The server should have at least two network interfaces. Using DHCP server options you can connect two and more networks together.
A joint-account
collaboration
wikianswers.com
Mankind does not have a single universal language.Language is the spoken or written means of communication between people. Because of the diversity of languages it is often impossible for two or more people to communicate effectively.