SAP REFERENCE GLOSRY documentation, setup help and example usage

ARTICLE

reference
Content of reference variables . Points to a data object (
data reference ) or an instance of a class
( object reference ). References in reference variables are either heap
references or stack references . Internally, strings , internal tables , and boxed component s are also addressed using references. From a technical point of view, an object in ABAP is referenced in more than one step. A reference is the address of an internal header ( object header , string header , or table header ), which contains the address of the actual object and other administrative information such as the data type of a referenced data object.
ABAP_MORE_INFO