This plugin renders Graphviz 'dot' markup client-side using the graphvizlib.wasm implementation from HPCC Systems. source 
docs
digraph { "Welcome Visitors"->"Recent Changes" "Welcome Visitors"->"Local Changes" }
Common practice is to explore the Graphviz sample gallery for ideas and then examine the the source used to generate features found useful. gallery
We support the algorithmic generation of diagrams based on the traversal of wiki sites. For this we intersperse dot language parameters for shapes and colors with all-caps keywords that read and translate wiki pages.