SAP ABAP Program LK23F1FA0 (invisible_fields_tab2) is using

• Table/Structure Field (8)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	BOOLE	Boolean variable
2	Table	COHEADER	Document Header for Manual Actual Posting Screens
3	Table	SCREEN	Structure Description for the System Data Object SCREEN