Once you’ve got the basic layout of a decision tree complete, you can add values to each line to garner more intelligence. Continue to do this until you reach the end of possibilities and then draw a triangle, signifying the outcome. On each line write a possible solution and connect it to the next node. Nodes have a minimum of two branches extending from them. Squares represent decisions, while circles are for uncertain outcomes. The key elements are called nodes, and appear as a square or circle with branches (lines) connecting them until a result is reached. One of the nice things about a Decision Tree Diagram is that there aren’t a lot of elements.
