Here's a good place to start:
Its a little behind on updates to some settings.....but its the best place to start to learn what the settings do.
And remember, changing a setting doesn't resolve a problem...its changes what the software does!! And changing what the software does might resolve the problem..
And one final tip.....don't change two settings at the same time unless you know exactly what you're doing. If the result is different, you have no idea which setting made the difference!