Shared decision making or SDM is a term used to describe the involvement of two people in making a decision. The shared decision making is quite helpful for making a decision by the consensus between two persons. This method of decision making, of course, has its own advantages and disadvantages.
Communication could possibly be called the motor that keeps the world turning. From the beginning of life forms on this planet there has been a form of communication between every living organism. The history of communication reveals numerous ways to communicate as we constantly seek to add to them.