We need software architecture design patterns for several reasons: • Enhance code maintainability: Design patterns promote modular and well-structured code, making it easier to maintain, modify, and extend as requirements evolve.; • Improve code reusability: Since design patterns provide reusable solutions to common problems, developers can save time and effort by reusing proven solutions instead of reinventing the wheel.; • Knowing design patterns is important even if you don't use them: Familiarity with design patterns can inform architectural decisions and help developers understand and review existing code.; • Promote best practices: Design patterns embody best practices and principles, which can lead to more robust, efficient, and scalable software systems.; • Facilitate collaboration: Design patterns facilitate collaboration among team members, as they provide a common language to discuss, evaluate, and agree on software design decisions. • Enhance code maintainability: Design patterns promote modular and well-structured code, making it easier to maintain, modify, and extend as requirements evolve.; • Improve code reusability: Since design patterns provide reusable solutions to common problems, developers can save time and effort by reusing proven solutions instead of reinventing the wheel.; • Knowing design patterns is important even if you don't use them: Familiarity with design patterns can inform architectural decisions and help developers understand and review existing code.; • Promote best practices: Design patterns embody best practices and principles, which can lead to more robust, efficient, and scalable software systems.; • Facilitate collaboration: Design patterns facilitate collaboration among team members, as they provide a common language to discuss, evaluate, and agree on software design decisions.;