An Entity Type is an object that groups entities (which are instances of entity types), together by definitions and characteristics. You group Entity Types within appropriate Subject Areas. Together these two objects should capture and group any data of interest to a business. For example, Customer could be the Entity Type of a group of entities (such as people or companies) who buy products.
Each CA Gen stage references Entity Types. In Analysis and Design, Entity Types are referenced in entity views. (View definitions in CA Gen are like parameters or variable declarations in programming languages.) In the activity analysis and interaction analysis of phases of Analysis, entity views let you specify the data used by the business area's functions and processes. In Design, procedures use entity views, and each Entity Type is implemented as a record type in the Data Structure List, and subsequently as a table in a relational DBMS.
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