Figurative language refers to a type of language in which words or phrases are used in a way that differs from its everyday, normal meaning. Figurative language is used in order to give a text more vividness and make the reader more interested in the story. This type of language tries to create a clear image in the mind of the reader. Figurative language often employs literary devices.
Well if you're during the editing stage of your letter, the only option that would make sense would be C. Verify that all facts and numbers in your letter are accurate.