Answer:
Move a text box, WordArt, or shape forward or backward in a stack. Click the WordArt, shape, or text box that you want to move up or down in the stack. On the Drawing Tools Format tab, click either Bring Forward or Send Backward.
Answer:
Speakers.
Explanation: Cause they only output sound, and are devices, further more they are not used to output images, like how could speakers output images using sound? They can't.