Here is the general rule: A simile always has the word LIKE in it for example she is like a cloud. A metaphor is exactly the same as a simile except that you don't have like in it. Hyperbole is when you exaggerate something for example, the bag weighs a ton Symbolism is for example summer representing happiness or winter illness etc etc.
Now you tell us :)
A Metaphor and could be Symbolism but it depends on how its used.