Parents need to have good 'communication' with their children. [=they need to be able to understand and be understood by their children]
a 'communications satellite' [=a satellite that is used to send signals for television, radio, etc., to people around the world]
('formal') We are 'in communication' by e-mail. [=we are communicating with each other by e-mail]
(..) l know. l don't care who you have to torture. just bring me those stones. You have one hour. lt's gobbling up all the communication satellites. Why is it doing that? We're working on it. The Mondoshawan accept our apologies. Did you find the stones (..)1997 The Fifth Element