<prompt> Which of the following is not a 2 way communicationLecturesGroup discussionPanel discussionSymposium  <response>: Communication Communication is a process of transferring information from one source to another.There are following types of communication :-1. One-way communication Didactic methodOne way communication is one in which information is always transferred in only one preassigned direction, i.e. from communicator to the audience.Example - Lectures, demonstration, mass media communication TV, radio, internet.2. Two-way communication Socratic methodIt is method of communication in which both the communicator and the audience take part and the information is transferred in both direction.Examples Group discussion, Panel discussion, symposium, workshop, conferences.Verbal communication communication by words of mouth.Non-verbal communication communication without words, by whole range of bodily movements, postures, gestures, facial expressions e.g. smiling, frown.Formal and informal educationFollows lines of authority Formal communication.From channels that fall outside the formal communication informal grape-vine communication.Visual communication charts, graphs, tables etc.Telecommunication and internet Telecommunication is the process of communication over distance using electromagnetic instruments designed for the purpose.Examples Radio, TV and internet. 