Recall from Chapter 1 our discussion of metadata and how instances are all defined by it. In this chapter, we are going to elaborate on how all data is stored on force.com. In simplest terms, everything is an object, and has records specific to your instance. Table 3-1 can be used as a reference for terminology you may be more familiar with to represent the concepts of objects, records, and fields.
Table 3-1 Comparison of Terminology Regarding Ddata
Class / object