Magento MVC Framework

1. System
Page/URL Request
A
Modules
Config Controller Action
Main Entry Point
Application Logic C
B
Helpers
VIEW
Layout
Models D
Page Block
Block
Legend Block
A. Examines URL, determines Controller and Action Block
B. Action Methods manipulate Models Block
C. Action loads layout and kicks off rendering etc ...
D. Templates, via Blocks, read from Models
E. Blocks and Child Blocks render into HTML Page E
Database
Final Rendered HTML Page