Hello. You did not present the prompt to which this question is addressed, which makes it impossible for elka to be answered accurately. In the meantime I will try to help you in the best possible way.
First you must read the prompt and understand what it is proposing to do. After this reading, the subject that the pronmp addresses will be the central idea by which he is built, that is, it is the idea that he is proposing or defending.
This idea will try to convey something to the public in an informative way. This is the purpose of the prompt.
The audience will be the people you believe will be interested in the text and what you are going to write should be an essay with the topic that the prompt addresses.
