Welcome back! Today, we'll be exploring advanced form validation, techniques for passing data from a child to a parent, strategies for handling events in parent components, and the concept of props.children in React. Let's dive in!

To begin with, we'll be tackling form validation. It can be likened to a restaurant waiter confirming your order. In React, the useState hook is beneficial for managing form values and validation rules.

Data in React typically flows from the top (parent) to the bottom (child). However, data can also flow in the upward direction using callback functions.