Decision tree diagrams represent the possible consequences of a series of decisions in some situation. Here is a simple example.
The decision tree diagram explains your team and audience the hierarchy of decision making practice in your organization, so that they can contact concern department whenever needed.
A decision tree diagram is not just as a map for making decisions. It is also very useful in laying out the different positions on some complicated theoretical issue. For example, here is a simple tree diagram on the topic of decision.