What is the difference between a half-step and a whole-step on a piano?

On the piano,the distance between any two adjacent keys, white or black, is a Half step. The half step is the smallest interval. ... The distance between any two pitches that are TWO half steps apart is called a WHOLE STEP. So the interval, or distance, between F and G is a whole step.

On the piano keyboard,the distance between any two adjacent keys, white or black, is a HALF STEP. The HALF STEP is the smallest interval. ... The distance between any two pitches that are TWO half steps apart is called a WHOLE STEP. So the interval, or distance, between F and G is a whole step.

i believe their role is to instruct certain sections on when they are to join and when they are to stop