Ie, a score floating up might play a continuous frame animation of sparkling text. It floats up due to a Y axis animation. Meanwhile, an X axis animation with MODE_SINE and MODE_LOOP set makes it move back and forth in a sine wave forever, while an alpha animation is also playing to make it fade out. Then the position animation which is set to delete the sprite when it completes, finishes, and deletes the sprite, stopping the animations for you.
this is exactly the kind of small demo(s) you should post!