of authority and is generally used in organization to achieve organizational objectives. 2. Informal Communication: does not follow line of authority. 3. Therapeutic Communication: takes place between a health care personnel and a patient, with the purpose of modifying the patient behavior. According to the Purpose of Communication Types of Communication 1. Intrapersonal Communication: It takes place within an individual; we may also say it is a self-talk. 2. Interpersonal Communication: It takes place whenever two or more people interact and exchange messages or ideas. 3. Transpersonal Communication: It takes place within a person’s spiritual domain. 4. Small-Group Communication: An example of a small-group communication is when a nurse interact with two or more individuals face-to-face or using a medium (like a conference call). 5. Public Communication: Communication with a large group of people. 6. Organizational Communication: It takes place when individuals and groups within an organization communicate with each other to achieve established organizational goals. According to the Levels of Communication Elements of Communication 1. Referent – motivates the sender (or receiver) to share information (message, objects, sounds, sights, time schedule, ideas, perceptions, sensation, emotion, odor, etc.) that may initiate communication. 2. Sender – a person who encodes and sends the message to the expected receiver through an appropriate channel. A sender is the source of the message that is generated to be delivered to the receiver after appropriate stimulus from the referent. 3. Message – the content of communication and may contain verbal, nonverbal or symbolic language. 4. Channel – a medium through which a message is sent or received between two or more people. Visual Channel, Auditory Channel, Tactile Channel, Combined Channel