Let's look at an analogy: Amazon Prime delivers in a day by now. With the customer info, Amazon can also send stuff directly/monthly. That's HTTP2. The user ch

Let's look at an analogy: Amazon Prime delivers in a day by now. With the customer info, Amazon can also send stuff directly/monthly. That's HTTP2. The user chooses several products in one order. When you add the product in the basket, Amazon suggests some products that are often ordered at the same time, like extra supply or accessories. That's GraphQL. GraphQL assumes shipping something cost money, and forces the client to declare what it wants explicitely and in detail. Like SQL without SELECT *. Hope that helps!