Written: Written communication involves information offered in written form. Normally in written communication the information will be given in the form of messages. These messages are written in such a way so that the message can be understood easily.

Non-verbal communication: Non-verbal communication involves information sent in the form of facial expressions. This also means messages conveyed by using body language.

Oral Communication: Oral communication refers to the process in which communication from one to another person is done orally in words. In this sort of communication people can verbally express their feelings and emotions so that other people can understand them.