neat question, thanks for asking. i like to figure out what roughly what: - the major modules are, - the communication paths between different pieces of the

neat question, thanks for asking. i like to figure out what roughly what: - the major modules are, - the communication paths between different pieces of the system / different servers -- Drawing a picture is really helpful for this - key objects or function libraries And then start with a very small upgrade; sometimes as simple as a little html/view change. hope this helps -- good luck!