SAP ABAP Program UFR00TOP (Data Definitions) is using

• Table/Structure Field (16)
• Message Class (1)
• Program (1)
• Table (16)

#	Object Type	Object Name	Object Description	Note
1	Table	CLOBJDAT	Reference structure: Classification data per object
2	Table	CLOBJEKTE	Transfer structure: classified objects
3	Table	DD03P	Structure
4	Table	KLAH	Class Header Data
5	Table	KNA1	General Data in Customer Master
6	Table	LIST_ALLOC_RULE_HEAD_STY	Header for Allocation Rule List
7	Table	LIST_ALLOC_RULE_ITEM_STY	Item in Allocation Rule List
8	Table	RPY_DTEL	Structure for data elements
9	Table	RW06A	Dynpro AR Header + items / stock allocation IS-R
10	Table	SCLASS	Reference Structure: Class Data
11	Table	SSCRFIELDS	Fields on selection screens
12	Table	SVKO	Allocation Rule / IS-R Allocation
13	Table	SVPOS	Allocation Rule Items / SAP IS-R Allocation
14	Table	SVUP	Allocation Rule Sub-Item (Stores)
15	Table	T622	Allocation Rule Document Types
16	Table	TWRF16	Group Applications