Patterns Pyramid
Work across and up the pyramid. The higher you go, the more difficult the topic. You need a stong foundation of topics at the bottom to better understand the topics at the top.
Press enter or space to select a node.You can then use the arrow keys to move the node around. Press delete to remove it and escape to cancel.
Press enter or space to select an edge. You can then press delete to remove it or escape to cancel.