ABAP (Advanced Business Application Programming, originally Allgemeiner Berichts-Aufbereitungs-Prozessor) is a high-level programming language developed by SAP SE for enterprise resource planning (ERP) systems. It is used to create custom business applications for the SAP platform. ABAP has a long history, with the first version released in 1983. Today, it is used by thousands of organizations around the world to build and customize their SAP systems. If you are a developer working with SAP, or are interested in learning more about ABAP and its capabilities, this topic is a great resource.