The image arch.gif is an architecture diagram that shows three layers. The top layer, labeled Client Applications, shows the following:

The second layer, shown as part of Oracle Content DB and labeled Oracle Application Server 10g (including Oracle BPEL Process Manager, Oracle Enterprise Manager, and Oracle Identity Management), shows the following, from top to bottom:

The third layer, shown as part of Oracle Content DB and labeled Oracle Database 10g (including Oracle Text Search and Oracle Workflow), shows an image of a database. This image is labeled with the following, from top to bottom: