Three componentsof business communication i-e context sender message?

context meaningthat the main idea about which the persons have to talk,that is given,we hav to talk only with the given reference not any other . sender is the person who send the message in whatever form,oral,written,video or any other.sender a person who convey his desire thinking or idea with the concerning persons. message is an idea or the text which the person want to say oyhers