Figurative language is different than literal language because literal language is straight to the point and says exactly what it means. Figurative language can be something like sarcasm, where it means the opposite of what's said, or it can be like an idiom, where it can be used to compare different things.
The SEE technique is used in essay writing to provide a better understanding and to enhance clear communication of the information that one is trying to pass across in the essay. The method involves stating the the main idea of the essay and adding supporting information that further explain the main idea of the essay.