Decision Tree
A decision tree is a diagram that shows conditions and actions sequentially and therefore shows which condition is to be considered first, second and so on. It is also a method of showing the relationship of every condition and its permissible actions. In the decision tree, the root of the tree is the initial point of the decision sequence. The particular branch to be followed depends on the conditions that exist and decisions to be made progressing along a particular branch are the result of making a series of decisions