In my experience it’s more fractal. Any subgoal, however small, may run into its own planning/thinking and then doing sequence, or even have you reconsider the

In my experience it’s more fractal. Any subgoal, however small, may run into its own planning/thinking and then doing sequence, or even have you reconsider the higher-level plan. Of course, it somewhat depends on how run-of-the-mill the overall task is.