(The extension should probably be `.dot` or `.gv`, but this is clearer.

store-flyer-categories.graphviz

// https://medium.com/scientific-breakthrough-of-the-afternoon/using-graphviz-to-visualize-property-graphs-9e0c343515cc
digraph G {

  rankdir = LR;
  node [ shape = record ];
  splines = polyline;
  
  // https://graphviz.org/doc/info/shapes.html#html
  fc [ label = <flyer<BR/>categories> ];
  
  prov [ label = <commercial<BR/>marketing<BR/>providers> ];
  
  rite_aid [ label = "Rite Aid" ];
  coop1 [ label = <Sacramento<BR/>Natural<BR/>Foods<BR/>Co-op> ];
  coop2 [ label = <Sacramento<BR/>Natural<BR/>Foods<BR/>Co-op> ];
  savemart [ label = "Save Mart" ];
  
    
  weekly1 [ label = <weekly<BR/>ad> ];
  weekly2 [ label = <weekly<BR/>ad> ];
  weekly3 [ label = <weekly<BR/>ad> ];
  weekly4 [ label = <weekly<BR/>ad> ];
  weekly5 [ label = <weekly<BR/>ad> ];
  weekly6 [ label = <weekly<BR/>ad> ];
  // weekly7 [ label = <weekly<BR/>ad> ];
  
  bw [ label = <bi-weekly<BR/>specials> ];
  bbos [ label = <Big Book<BR/>of Savings> ];
  dotm [ label = <Deals of<BR/>the Month> ];
  mos [ label = <Monthly<BR/>Online<BR/>Sales> ];
  mss [ label = <Monthly<BR/>Store<BR/>Sales> ];
  
  fc -> prov;
  fc -> PDF;
  
  PDF -> Pharmaca;
  PDF -> coop1 -> bw;
  
  prov -> Flipp;
  prov -> Ecom;
  
  Flipp -> Safeway;
  Flipp -> rite_aid;
  Flipp -> Sprouts;
  Flipp -> savemart;
  Flipp -> Lucky;
  
  Safeway -> weekly1;
  Safeway -> bbos;
  
  Sprouts -> weekly2;
  Sprouts -> dotm;
  
  Pharmaca -> mos;
  Pharmaca -> mss;
  
  rite_aid -> weekly3;
  savemart -> weekly4;
  Lucky -> weekly5;
  
  Ecom -> coop2 -> weekly6;
    
  {
      node [ style = "invis" ];
      edge [ style = "invis" ];
      
      a -> b -> c -> d;
      
      { rank = same; a; fc; }
      { rank = same; b; PDF; prov; }
      { rank = same; c; Flipp; Ecom; }
      { rank = same; d; Safeway; Pharmaca; coop1; coop2; rite_aid; }
  }
}