experiments, and a yet more advanced example.
Read the F1 Help documentation with your Flash for
Mask Layers, which is under Creating animation: Animation basics.
Be sure to read Work with mask layers too (next page of Help, via >
button or menu).
Look at i. and ii. and iii. for three more examples of
C H O R E O G R A P H
Y with letters or circles. The Super Bowl half time
show's dance and marching band choreography didn't
have much on this, lol!