Great answer, thanks. It makes me think about sudden domain shifts. "Fetch the list of users. Locate the user matching the description. Push the user object ont

Great answer, thanks. It makes me think about sudden domain shifts. "Fetch the list of users. Locate the user matching the description. Push the user object onto the stack." The last item shifts from the business domain into implementation details, and it probably shouldn't be "close" to the others.