Brief communication is a form of communication that is concise and to the point. It typically involves short messages, memos, or notes that are sent to convey information quickly and efficiently. Message, MEMO, and NOTE are all terms used to describe brief communication. A message is a form of communication that is sent electronically, such as an email or text. A MEMO is a short document that is sent within an organization to communicate information. A NOTE is a short written message that is sent to someone to convey information.