Data Dictionary: Tables, Structure, Data elements, Domains, Search helps, Views, Lock Objects, Table types.
Reports: Classical, Interactive, ALV, Interactive ALV and ABAP Queries
Interfaces: RFC, BAPI, IDOC’S, PROXY
Conversions: BDC (Session and Call transaction), BAPI and LSMW
Enhancements: Customer Exit, User Exit, BADI
Forms: Sap Script Smart Forms Adobe Forms.
OOABAP: Local and Global classes (Classical Reports and ALV Reports)