Axis

(Dance) The angle created by the intersection of a lobe and the dance baseline. The baseline of rotation for turns.

(Free Skating) An imaginary straight line about which a body rotates or revolves. The baseline of rotation for a spin or jump.

(Figure Skating plural axes) Imaginary lines of symmetry.

a. Long Axis – An imaginary straight longitudinal line, which passes through the centers of the two or three figure circles.
b. Short Axis – Imaginary straight lines which vertically cross the long axis at the points of tangency of the
circle. Sometimes called the transverse axis.