One of the things that is constantly confusing guitarist, old and new alike, is the concept of modes. The truth of the matter is that the best way to get good at modes is to strengthen your foundation: diatonic scales! Once you have that down, then try to understand the concept behind modes.
That being said, I need to remember that as a young, fresh faced, budding guitarist, I also didn’t want to wait. So here is the most simple explanation into the concept of modes that I can provide: