More-or-less agreed, yep, it's a tricky problem. To compare with technical solutions, I guess the options available are things like namespaces, lexical scoping

More-or-less agreed, yep, it's a tricky problem. To compare with technical solutions, I guess the options available are things like namespaces, lexical scoping, or (bleh) more verbose variable naming; perhaps something along those lines could be helpful.