SAP BOXED COMPONENT GLOSRY documentation, setup help and usage info

ARTICLE

boxed component
Structured component of a structure or of a
class or interface . It is not saved to the location of the definition but is deep , meaning it is administrated by an internal reference. Boxed component s are a halfway house between static and dynamic data objects . Currently, static boxes are supported as boxed component s.
ABAP_MORE_INFO