| Cradle Web Server |
  | Process |
  | Database |
   | Current Query |
 | Requirements |
 | Events |
 | DATA BLOCK |
| DEFINITION |
| DOC SECTION |
| FEATURE |
| ISSUE |
| PBS |
| REFERENCE |
| RESULT |
| RISK |
| SBS |
| STAKEHOLDER |
| SYSTEM REQ |
| VERIFICATION |
 | Essential Domain |
  | Default |
 | Diagrams |
| Specifications |
| Data Definitions |
 | Environment |
| Previous... |
 | E:Default Environment: Airline Airline (A) |
| E:Default Environment: Airport Airport (A) |
| E:Default Environment: Fuel Distribution Fuel Distribution (A) |
| E:Default Environment: Maintenance Maintenance (A) |
 | E:Default DFD: C (A) |
 | Data Definition: Defect Log (A) |
| Data Definition: Defect Rectification (A) |
| Data Definition: Operation Record (A) |
 | Data Definition: Routine Maintenance (A) |
| Next... |
 | Implementation Domain |
| Hierarchy (HID) |
 | Queries |