Okay kiddo, let's talk about spectrum reallocation. You know how we use different frequencies to listen to music or watch TV? These frequencies are called spectrum and they belong to different people or companies who use it for different purposes.
Sometimes the government decides that they need some of the spectrum for something like a new technology or emergency services. When this happens, they ask the people or companies who are using that spectrum to give it up so that the government can use it instead.
Now, you may be wondering why the government can just take things that belong to other people. Well, it's not really taking it away. The government pays the people or companies for the spectrum that they are giving up. It's like if you want to borrow a toy from your friend, you can ask to use it but you have to give them something else in return, like a different toy or some candy.
Once the government has the spectrum they need, they can use it for new technology or emergency services. This means that people will have better and faster ways to communicate in situations where they really need it, like when there's an earthquake or a fire.
So there you have it, spectrum reallocation is when the government asks people or companies who are using certain frequencies to give them up so that the government can use them for new technology or emergency services. And they pay for it, just like when you borrow a toy from a friend.