Hey kiddo! So, sometimes when we need someone to do something for us, like fixing our car or cleaning our house, we have to pay them money for their time and effort. This money is called "service fee".
Now, sometimes we know that we will need that person to do the same thing for us again and again, like a weekly cleaning or a monthly oil change. So, instead of paying that fee every single time, we can choose to make a prepayment.
Prepayment means paying the service fee in advance for a certain period of time. For example, if we know we need weekly cleaning for the next 4 weeks, we can make a prepayment for all 4 weeks at once.
This is like buying a bundle of cleaning services, just like when we buy a bundle of candies or toys at once from the store. The advantage of prepayment is that we don't have to worry about paying every week and it may also give us a discount on the total cost.
So, that's what prepayment for service means, kiddo! We pay in advance for a certain period of time to save time and money. Cool, right?