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]
(..) "of information has taken place "in public or private forums, "using any means of communication, "including but not limited "to that which is disclosed orally "or in written or electronic form." (..)2014 Ex Machina