The transparent modeling of business processes in any structure requires a solid level of abstraction as well as a deep understanding of the business process itself. One must bridge the gap between business requirements and actual lines of code, without leaving a massive footprint. Business changes, processes adapt, so must the underlying structure. Can they? This talk will give you ideas on how to tackle the art of state machinery. It will give an overview of the possible modeling concepts, their pros and cons, and common pitfalls when running them in production.