SAP ABAP Table RHWFD1 (Screen Fields for SAPLRHWS 500) is using

• Data Element (9)
• Table (3)

#	Object Type	Object Name	Object Description	Note
1	Table	T788O	Check Table for SAP Standard Object Types
2	Table	T788T	Check Table for Standard Object Infotypes
3	Table	T788U	Check Table Subtypes for Standard Objects