Design & Architecture

1. N-tier vs N-Layer
2. SOLID Principles
3. SRP
4. OCP
5. LSP
6. ISP
7. DIP
8. Blocks in N-Tier Application
9. Example: N-Tier Application
10. Inheritance vs Composition
11. Determining Bad Design
12. Types of Compositions
13. DI & IoC
14. Repository 
15. Unit of Work 
16.