Most fundamental skills are universal to any style of music but as we become better we start focusing on skills that are specific to the style of music we like the most.
If you are into Jazz you tend to focus on improvising over complex chord changes and being able to play chords with more then three notes in them. If you are more into metal and rock you would practice your technical skills enabling you to use fast alternate picking or tapping.
Or you belong to the rare group that practices everything they can get their hands on. What ever group you belong to this page will give you a general idea of to what genre each of the courses and programs belong.