🏁What is "Rendering"?

Component render process

For more about renders and component rendering process i advise to read this blog from Mark Erikson the creator of Redux

Blogged Answers: A (Mostly) Complete Guide to React Rendering BehaviorMark's Dev Blog

References and articles :

Having Fun With React’s RendererMedium

A Visual Guide to React Rendering - Cheat Sheet | Alex SidorenkoAlex Sidorenko