Domain-Driven Design Core Concepts Ubiquitous Language Use the same terminology as domain experts. Code should read like business documentation. Bounded Context A boundary within which a particular domain model is defined and applicable. Context Map Shows how bounded contexts relate to each other. Building Blocks Entity Has identity that persists over time. Equality based on ID. Value Object Immutable, equality based on attributes. Aggregate Cluster of entities and value objects with a root entity. Repository Abstracts data access for aggregates. Domain Event Something that happened in the do…