ZXD/ILC is a martial art of awareness and is based on feeling. We ask "What is your connection? And how do you feel?" The feeling is more important than the choreography.
The figure below shows some of the energetic theory behind spinning hands in the vertical plane. Look at the image from your centre.
The figure above shows the relationship between Absorb/Project and Condense(Contract)/Expand in the vertical plane.
Look at the figure from the perspective of you center and your LH and RH shoulder kua/crease. You are drawing circles around each of your shoulder centers. In this case the hands are paired moving in opposite directions (LH = counter clockwise, RH = clockwise) from the outside down the middle. Remember there are 8 spins.