This image shows a UML diagram consisting of a key object, two interfaces and two classes. The interfaces are named Row and Entity and they are contained in the oracle.jbo and oracle.jbo.server packages respectively. The classes are categorized as base class for view rows and base class for entity rows. Both classes are in the oracle.job.server package and are named ViewRowImpl and EntityImpl respectively. Directional arrows indicate cardinality and interrelationships.