It is hard to know what they mean, especially if you are just starting out with mental health issues and trying to find your way around. It is not quite like regular medical issues where pain in your arm means you have a broken arm which is then treated. Sometimes symptoms, like your ruminations, for example, are better left alone for a bit while the cause of the ruminations is looked at and worked on and sometimes a symptom can be worked on by itself and it will help the whole feel better. Think about pain and where it is and whether it is fixable by itself (broken arm) or needs a lot of research to find the core problem (stomach/intestinal pain) and that is worked on instead.