The Korean Broadcasting System (KBS) is a big TV and radio company in South Korea. Think of it like a giant box that makes TV shows and music come out of your TV or radio.
KBS has lots of different channels that people in South Korea can watch and listen to. Some of the channels are for news, so you can find out what's happening around the country. Others are for shows and movies, so you can relax and have fun after a long day.
KBS also has a big responsibility to make sure everything it shows on TV and radio is good for kids and adults. This means they have to follow rules and make shows that are appropriate for different age groups.
In short, KBS is a big company that makes TV shows and music for people in South Korea, and they have to be careful to make sure what they show is good for everyone.