???? ??????? ????? ????? ??? ? ????? ????? ???? ???? ???? ????? ????? ? ???? ?? ???? ????? ?? ???? ???????? ? ??? ????? ????? ?? ????? ????? ???? ?????? ?? ?????. naturally it makes sense as well, since the explanations do have gems and classes. I believe the author have to have more info had insight in which aspects he chose to summarize and