How Do You Decompose a System?

A, we've been doing quite a bit of work lately on systems thinking. A, soa, every system has an overarching function to it. And when you start dissecting the system, you start tearing apart the component parts and the overall purpose of it. So that's the c of general process of how you decompose this tis thing into into a promm that yu consolt. I'm not sure if you are aware, not sure which systems you have in mind, n whether any of those have antaloped in the past where the problems have been solved.