Suggest an editImprove this articleRefine the answer for “How does DDD relate to the SOLID principles?”. Your changes go to moderation before they’re published.Approval requiredContentWhat you’re changing🇺🇸EN🇺🇦UAPreviewTitle (EN)Short answer (EN)**DDD** naturally supports SOLID, because both are built on separation of concerns and loose coupling: each entity reflects one business concept, and the domain depends on abstractions rather than on infrastructure. **Key point:** DDD applies SOLID not to individual classes, but to the architecture of the business itself.Shown above the full answer for quick recall.Answer (EN)ImageDDD naturally supports SOLID, because both are built on separation of concerns and loose coupling: 1. **S: Single Responsibility**: each entity reflects one business concept. 2. **O: Open/Closed**: behavior is extended with new domain rules without breaking existing code. 3. **L: Liskov Substitution**: domain interfaces allow implementations (for example, repositories) to be substituted. 4. **I: Interface Segregation**: interfaces are small and reflect specific actions in the domain. 5. **D: Dependency Inversion**: the domain depends on abstractions, infrastructure depends on the domain. **Summary:** DDD applies SOLID not to classes, but to the architecture of the business itself.For the reviewerNote to the moderator (optional)Visible only to the moderator. Helps review go faster.