I found the 'above' and 'below' also confusing, as 'above' seems to make sense as a pitch 'above' C (i.e. D) and below would be a pitch below C -- which is B in

I found the 'above' and 'below' also confusing, as 'above' seems to make sense as a pitch 'above' C (i.e. D) and below would be a pitch below C -- which is B in their notations. Having 'A' be 'Above' yet represent a note below 'B'-'Below' is logically problematic for me.