Orange Node:
The currently selected node.
Green Nodes:
Nodes reachable from the current node via a directed path.
Red Nodes:
Nodes with a directed path to the selected node
Purple Nodes:
Nodes with bidirectional paths to/from the selected node
The currently selected node.
Nodes reachable from the current node via a directed path.
Nodes with a directed path to the selected node
Nodes with bidirectional paths to/from the selected node