# Lists and Keys When you render lists in React, you can use the `key` prop to specify a unique key for each item. This key is used to identify which item to update when you want to update a specific item. Visit the following resources to learn more: - [Lists and Keys](https://react.dev/learn/rendering-lists#keeping-list-items-in-order-with-key) - [Rendering Lists](https://react.dev/learn/rendering-lists) - [List components in React by Example](https://www.robinwieruch.de/react-list-component/) - [Why do we need the key prop in React?](https://www.robinwieruch.de/react-list-key/)