Idocs, Bdc, Enhancement Framework, Abap, Lsmw, Sap Business Objects Data Services, Badi, SAP CRM, Bapi, Sap Script, Smart Form, Object Oriented Abap, Function Module, Sap Mdm, Module pool programs, SAP Upgrade activities, DDIC objects, Transport management process, TDD Test Scripts, EMIGALL, Transactions, FRICEW matrices, Print workbench, User-Exit, Ale