Basically in business communication, the purpose, tone and audience are the terms which are very commonly used. Purpose of the business communication means that what are the aims and objectives of any specific business message. All business communications either written or oral are conducted in order to deliver a message and the aim of that message is the purpose of the business communication. Participants of business communication are responsible for ensuring that the message being delivered contains the purpose which is according to the interest of the audience. Right purpose of business communication can increase the effectiveness of the communication.