A 15 year old girl holds her son; people call her a slut, but no one knew she was raped at 13. Make fun of someone for being fat, but you don’t know that person has a serious medical condition. Call the old guy ugly, but you don’t know his face injury is from serving the country or saving a life.
For instance: “The curtains were blue.”
What your teacher thinks: “The curtains represent his immense depression and his lack of will to carry on.”
What the author meant: “The curtains were fucking blue.”