Level 0

1. Context Diagram
   

Level 1 & 2


1. Processing Operation
   

Level 3


1. Customer Information Processing
   
2. Product Information Processing
   
3. Delivery Information Processing
   
4. Report Processing
   
5. Customer Account Processing
   

Level 4


1. Customer Info - Household
   
2. Customer Info - Retail
   
3. Customer Info - News Box
   
4. Newspaper Product Info
   
5. Magazine Product Info
   
6. Carrier Information
   
7. Drop location Information
   
8. Route Information
   
9. District Information
   
10. Zone Information
    

Level 5


1. Query - Household
   
2. Query - News Boxes
   
3. Query - Retail
   

Level 6


1. Display Newspaper and Magazine - Household
   
2. Display Newspaper - Box
   
3. Display Newspaper and Magazine - Retail
   

Level 7


1. Query - Household Magazine
   
2. Query - Household Newspaper
   
3. Query - News Box Newspaper
   
4. Query - Retail Newspaper
   
5. Query - Retail Magazine
   

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