English Help For Exam.?

Not necessarily. If you want to throw all of the technical terms in for detail support, that would show solid support. Imagery, on the other hand, focuses more on how the description w/n a poem conveys a catharsis. So, for instance, if the author in a poem describes a day with dark ominous clouds and a dreary sky, you can say that the imagery has promotes a depressing and morose sense. Compared to another author who just says it was a rainy day, etc.