I'm sorry, but the information provided in the extracts is about Next.js, a React framework for building full-stack web applications, not about learning React itself. However, once you have a good understanding of React, Next.js can be a great tool to build full-featured React applications. You can start learning Next.js by following the documentation here (https://nextjs.org/docs). For learning React, I would recommend checking out the official React documentation or other learning resources online.
Note: you can ask me a follow up question by @ mentioning me again :speech_balloon: