How to do process writing ? with an example

Hyperbole in the book messenger by lois lowry

Why did orson welles change the beginning of the war of the worlds for his radio broadcast? a. to capture the attention of his listeners, who may have been doing other things b. to get around copyright laws associated with using material from a published book c. to ask members of the audience to call family and friends and encourage them to listen d. to remind listeners to call police for more information

How does the underlined figurative language contribute to the meaning of the poem?