Using Masks

hy everyone,

I got 1 image in one layer, and in another i got 1 square… I mask this layers and I made a motion for the square…
My result is that the only thing i get is what is show inside the square…

But my question is… if i wana make another square with a diferent motion for the same image, i do i make this??? i Can only make what i want if i make another mask with this new square and duplicate the image…

I hope i made myself clear… and i hope u guys can help me :slight_smile: