Yeah, the Japanese language for classifying things as sweet, sour, salty, bitter, and umami might be more useful. But that kind of is the point here, a lot of this stuff revolves around these arbitrary classifications that we've used historically and culturally and you get interesting results when you mix that up a little.

Which is why taking sweet and salty things like pineapple and ham and putting them on a Pizza is completely normal to some and offensive to others even when using other, similarly salty and sweet ingredients is considered normal to them.