A great way to learn, I think, is trying to create a clone of an existing project. Example: try to build a clone of hackernewsletter: it needs a database, it ne

A great way to learn, I think, is trying to create a clone of an existing project. Example: try to build a clone of hackernewsletter: it needs a database, it needs a backend and it needs a frontend. You will have to understand database concepts, authentication (you need to register and login to be able to post), authorization (you can edit you own posts only) ecc.