What is a 90-degree heel snap turn?

A snap turn refers to a style movement. To start a 90-degree hill nap Don’t you must stand on your right leg with a flat foot. Put your left leg on your knee or at the ankle and your right arm should be bend. Now pull your left arm to the right arm and left knee over the right knee lift of heal to reveal and turn. Drop down to a flat foot and stay in coupe position then a step forward and finish your heel snap turn. This is opposite to 180 degrees and for 90 degrees you have to go forward and turn the heel to a 90-degree angle.