We discussed what is the metaphor, simile, metonymy and personification. And now I can differ all this stylistic devices.
Metaphor is an implied comparison between two objects and its formula A is B.
Simile is direct comparison and unlike metaphor it has three objects. Formula: A is like B.
Personification is giving human characteristics to lifeless objects.
I found an interesting video and want to share it with you. This video presents this devices in diffrent songs. This is the the link on this video http://youtube.com/watch?v=Tj1-lCGMaKk.