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design (architecture (patterns (model - view - viewmodel (viewmodel -…

- - - - layers
        
        layer
        
        control
        
        interact with oher layers
        
        presentation
        
        abstraction
        
        has many layers
    - - passive view
        
        model is observable, presenter - observer
      - supervision controller
        
        direct databindindg model - view
        
        encapsulation restricted
    - - view is stateless
    - - viewmodel - controller analogy
      - view - special file
      - data-binding
  - - - layers
        
        presentation
        
        application
        
        business
        
        data-access