Student or Learner
what is communication,
what are the verb communication and non verbal communication,
explain printed and non printed communication
It seems to me you are taking a basic communications class and these are homework questions.
That's not what this forum is for.
If you have specific questions about language or how to use it, please ask.
Please ask ONE question per thread, and as you were told before, use proper capitalization and punctuation.
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.