What are the 7 layers of Architecture ?

7 layers of Architecture 

1. Global Architecture
    Standards (e.g. OSI model)

2. Enterprise Architecture
    System of Systems

3. System Architecture
    Architecture Styles
 
4. Application Architecture
    Subsystems

5. Macro-Architecture
    Frameworks 

6. Micro-Architecture
    Design Patterns

7. Objects
    Idioms (Do and Don’ts)