Because your COBOL programs can run as separate threads within a process, a language element can be interpreted in two different scopes: run-unit scope or program invocation instance scope.

This tip presented some server code written in Python, but almost the same design would apply for nearly any language that might be used to program a CGI or other server process.

The dot syntax language-building program shown below will process the various edge attributes automatically to emphasize the linkages and create the graph we defined loosely.