What force unites these patterns?
DOT strict digraph node [shape=box style=filled fillcolor=bisque penwidth=3 color=brown] HERE NODE WHERE /^- / node [fillcolor=palegreen] LINKS HERE -> NODE node [fillcolor=palegreen penwidth=1 color=black] HERE NODE WHERE /^When/ LINKS NODE -> HERE HERE NODE node [fillcolor=bisque] WHERE /^See more/ node [fillcolor=bisque] LINKS NODE -> HERE ELSE node [fillcolor=lightgray] FAKE NODE -> HERE WHERE /^Then/ node [fillcolor=palegreen] LINKS HERE -> NODE HERE NODE node [fillcolor=bisque] WHERE /^See more/ node [fillcolor=bisque] LINKS NODE -> HERE ELSE node [fillcolor=lightgray] FAKE HERE -> NODE