مفهوم واحد ونماذج متعددة

في هذا الدرس

accept that the same word has different models per context.

الموضوعات المخطط لها

• "Product" in Catalog has description and images; in Inventory it is a SKU with a quantity; in Orders it is a name and price snapshot.
• One shared Product class for everyone creates coupling and endless changes.
• Each context keeps its own small model and maps at the edge.
• Share identifiers (productId), not whole objects.
• An anti-corruption layer translates an external model into your own.