I think this depends on the subject. Something like math or music is "learned, not taught": you spend a lot of time practicing by yourself, sometimes asking a t

I think this depends on the subject. Something like math or music is "learned, not taught": you spend a lot of time practicing by yourself, sometimes asking a teacher when you get stuck. But something like CPR or assembling a drum kit is "taught, not learned": the teacher guides you through the motions and you're done.