Does anybody have song writeing tips i can use

Sarah and juan were running in the school track meet. the muscles in their arms and legs them run fast. other muscles that you cannot see were also at work. the most important muscles for this track meet were the muscles in their a) arms. b) eye. c) feet. d) heart.

Ineed someone to describe what they mean in the instructions !

What is the most best and most complete definition for graphic design