Imagine you want to buy a toy from the store, but you don't have enough money to pay for it all at once. You ask your parents if they can help you by borrowing some money from the bank. The bank gives your parents the money and they agree to pay it back over time, with interest. This agreement is called a loan.
Now, let's imagine that instead of a toy, your parents want to buy a house. They need to borrow a lot of money from the bank and they agree to pay it back over many years. The bank keeps track of all the payments and makes sure that your parents are making them on time.
Mortgage Electronic Registration Systems (MERS) is like a big book that keeps track of all the house loans for lots of people. It's a way for banks to keep track of who owns the loan without having to write down all the information on a piece of paper. When your parents get their loan, the bank enters all the information about the loan into the MERS system. This includes the amount of the loan, the interest rate, and the length of time your parents have to pay it back.
MERS also helps when people sell their homes. Let's say your parents decide to sell their house to another family. The new family needs to get a loan from the bank to pay for the house. The bank checks the MERS system to see who owns the loan. If your parents still owe money on the loan, the bank tells the new family how much they owe and the new family takes over the payments.
In the end, MERS makes it easier for banks to keep track of all the house loans and makes it easier for people to buy and sell houses.