Having learned the basics of a RESTful system, you are now ready to meet the more exciting concepts of REST. In this section, we will learn the core architectural elements that make a system RESTful.
A uniform interface is fundamental to the architecture of any RESTful system. In plain words, this term refers to a generic interface to manage all interactions between a client and a server in a unified way. All resources (or business data) involved in the client-server interactions are dealt with by a fixed set of operations. The following are core elements that form a uniform interface for a RESTful system: