The English language has many idioms. If you wish to improve your English speaking, then you must learn many idioms when you study English.
So in this English lesson, Joe talks about the American English idiom “Wrap It Up”.
If someone tells you to “wrap it up”, that person is telling you to finish what you are doing.
Idioms are commonly used in real English conversations. The more idioms you learn the better you will understand English language speakers.