Graph
Example for a directed Graph
![](/images/wiki/diagrams/Diagrams_90a5eaacc47a87c8ede763e4dfcf5323.png)
Graphs versus Object orientation
Classes and Relations
The following UML diagram shows the description of an organizational hierarchy.
![](/images/wiki/diagrams/Diagrams_f976ed92556402390740d04ea4a9b87d.png)
![](/images/wiki/diagrams/Diagrams_8a738a3b69cba2b547afcbda811bce42.png)
The following UML diagram shows the description of an organizational hierarchy.