Qustion Mark

Context API is used to share data between components without props drilling,where you have a lot of props drilling, need to pass data down through many levels of the component tree & give improve perforformance.

useRef is a built-in hook in React that returns a mutable object, whose current property is initialized to a provided value.

useMemo is a built-in hook in React that allow to memoize a function's return value.It can specify a function and a list of dependencies.