Any form of writing, be it a story or a poem or a narrative, all have the central meaning or reason of why it is written. The written work will always have a moral or lesson that the reader can learn from.
When any author writes his book or story, his purpose is to deliver the main reason behind why that particular story is written. And when any reader can get the moral of the text, then he had successfully understood the author's intended purpose of writing that piece. So, in conclusion, the author's purpose can be said to be the main reason the story is written.
Thank you for posting your question here at brainly. The answer to the above question is the "nonessential past participial phrase". <span>It is nonessential, meaning that if it wasn't there the sentence would still make sense and it is in past tense.</span>
With foreshadowing in the story we learn that Billy Weaver most likely died because the landlady killed him. Dramatic irony used in the story creates a sense of humor. The dramatic irony used in the story are about Billy's thought about the house the landlady lives in before he enters.