Functional Security In ORACLE APPS User End user, using the application front end interface. Responsibility Privileges to the user. Menu Hierarchal arrangement of Sub Menus and Functions . Sub Menu Hierarchal arrangement of functions. Functions A Function calls a form. Form A Form is a GUI (Graphical User Interface). For More Information Visit on www.OracleAppsGuide.com Or Subscribe your email-id on OracleAppsGuide