what does these worlds means
Underworld and the outside world
can you make up some example how to us it
The "underworld" usually refers to unsavory or criminal activity. "The detective used a disguise to try and blend in with the underworld of drug dealers." In some religions and mythology, the underworld refers to the afterlife.
"Outside world" refers to life outside of a cloistered or segregated area. "The prisoners looked forward to the daily newspaper, so that they could keep up with the outside world."