A poem can make use of irony to show the opposite of what it means in a way that the readers can understand that irony is used.
This refers to a figure of speech that is used to show a situation that is the opposite of what was intended to create emphasis or for humor purposes.
There are different types of irony:
Please note that your question is incomplete so I gave you a general overview to get a better understanding of the concept.
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https://brainly.com/question/11821145