Enter a parent node's name, then enter as many child nodes as needed.
Clicking 'Add Child' will give another input box for a child.
Clicking 'Add Node' will store the current node and it's children.
Clicking 'Graph' will graph the stored nodes and their children.
Click on a connection will let you add a description to the connection.
Note: All node and child nodes should be unique. Links to other nodes are created by making a child or parent have the same name.