| | Composing a family code - an exampleFamily groups and family structure | Family group: MAIN Vehicles | | Family | Code element | Next fam.group | | Car | C | CARS | | Bus | B | | | Motorcycle | M | MOTOR | | Lorry | L | |
| Family group: CARS Cars | | Family group: MOTOR Motorcycles | | Family | Code element | Next fam.group | | Family | Code element | Next fam.group | | Renault | r | | Yamaha | 1 | | | Peugeot | p | PEUG | Moto Guzzi | 2 | | | Opel | o | | Honda | 3 | | | Volvo | v | | Harley Davidson | 4 | |
| Family group: PEUG Peugeot type | | Family | Code element | Next fam.group | | 106 | 2 | | | 306 | 4 | | | 309 | 6 | |
| Possible families in this family structure | | Co | Opel cars | | Cr | Renault cars | | Cv | Volvo cars | | Cp2 | A Peugeot 106 | | Cp4 | A Peugeot 306 | | Cp6 | A Peugeot 309 | | B | Buses | | M1 | Yamaha motorcycles | | M2 | Moto Guzzi motorcycles | | M3 | Honda motorcycles | | M4 | Harley Davidson motorcycles | | L | Lorries |
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