This code was created in 2001-2004 when I taught Borland Delphi 3 to myself. It contains many, many global variables, unstructured and undocumented procedural code and bad variable names. If you don’t ...

Firstly, consider the purpose of your diagram. Are you trying to show a process, illustrate a relationship, or compare data? Your goal will determine the type of diagram you choose, be it a flowchart, ...