| Type of Business Object |  |
| Protected Protected business objects are only used within ERP LN. They have only a protected interface (protected attributes and protected methods), and no public interface. ERP LN functions as a server. Public Public business objects have both a public and a protected interface. The public interface is used to exchange information outside the ERP LN applications. ERP LN functions as a server. Proxy (not used yet) Proxy business objects are implemented by external applications for which ERP LN creates a model that is derived from the external application and in compliance with the interfaces offered by that application. ERP LN functions as a client. |