`` `
+---+
| 1 |
+ ---------------+ |
| Leverandør | |
+ ---------------+ |
| |
+---+
|
V
+----------+
| Køb |
| Bestil |
+----------+
|
V
+----------------------------+
| Inventory Management System |
+----------------------------+
|
V
+------------------+
| Produktkatalog |
+------------------+
|
V
+----------------------------+
| Beholdningskontrolundersystem |
+----------------------------+
`` `
