Understanding the tasks performed by each HTTP method

The following table shows the HTTP verbs, the scope, and the semantics for the methods that our API must support. Each method is composed by an HTTP verb and a scope and all the methods have well-defined meanings for all the resources and collections:

HTTP verb	Scope	Semantics
GET	Collection of ESRB ratings	Retrieve all the stored ESRB ratings in the collection, sorted by their description in ascending order. Each ESRB rating must include a list of URLs for each game resource that belongs to the rating.
GET	ESRB rating	Retrieve a single ESRB rating. The ESRB rating must include a list of URLs for each game resource that belongs to the rating.
POST	Collection of ESRB ratings	Create a new ESRB rating in the collection.
PUT	ESRB rating	Update an existing ESRB rating.
PATCH	ESRB rating	Update one or more fields of an existing ESRB rating.
DELETE	ESRB rating	Delete an existing ESRB rating.
GET	Collection of games	Retrieve all the stored games in the collection, sorted...