register
A register is like a special notebook where you write down important things to remember them later. Imagine you have a big box of crayons, and you need to keep track of all the colors you have. You use your notebook to write down each color, so you don’t forget any of them. This way, when you want to draw a rainbow, you know exactly which colors to use.
Another way to think about a register is like a library card. When you borrow a book from the library, the librarian writes down your name and the book’s name on a card. This helps the librarian remember who has which book. Similarly, a register helps people keep track of important information, like who borrowed a book or who signed up for a fun activity at school.
You can also think of a register as a treasure map. Just like a map shows you where to find hidden treasure, a register shows you where to find important information. It keeps everything organized, so you can find what you need quickly and easily without getting lost.