So, in the United Kingdom, if you want to watch or record TV shows as they are being broadcast, you need to have a TV license. This is like a permission slip that you have to buy to use your TV for certain things.
The money from TV licenses helps pay for the BBC, which is the big TV and radio station in the UK. The BBC makes a lot of your favorite shows like Doctor Who, and they also provide news and important information to people all over the country.
When you buy a TV license, you get a special sticker that you put on your TV. That way, if someone from the TV license people comes to your house, they can see you have permission to watch TV.
It's important to have a TV license if you use your TV to watch live TV shows, but if you only watch things on catch-up, like BBC iPlayer, you might not need a TV license. If you're not sure whether you need one or not, it's best to check with the TV license people to make sure you're doing things the right way.