A decision tree graphically represents a series of decision points with branching occurring at each decision point forming a treelike structure. A decision tree maps out each possible outcome and will often also include the probability of each outcome.
A communication diagram is a UML 2.0 diagram which models the objects or parts of a system, the interactions (or messages) between them, and the sequence in which these interactions occur. A communication diagram models this as a free-form arrangement …