Ok I see, yeah seems like you need to watch the Fundamentals first. There’s Basics for concepts, Fundamentals build some foundations and then you go to Beginners Tutorials where you start to focus on building stuff, but you need a grip of the basics or what mostly happens is that we tend to get frustrated because we feel nothing works.
I’ll leave you an extra link for the course where Paul breaks down all the modifiers, for when you want to hear a specific one broken down:
https://cgcookie.com/courses/course-modify-a-complete-guide-on-blender-s-modifiers-84c3c6a66db79804
