Az Erdе‘rе‘l Apr 2026

: They serve as high-level documentation of a system’s information architecture. Levels of Abstraction

: Represented as rectangles, these are the "nouns" of the system, such as Customer , Order , or Product . AZ erdЕ‘rЕ‘l

: They provide a common visual language for stakeholders, business analysts, and engineers to discuss data requirements. : They serve as high-level documentation of a