Enterprise Structure SAP MM
Client  It is the highest org element in SAP. What ever done in SAP is
always at the client level. Client is 3 digit numeric code.
Legal or business Term: It is any customer buying SAP software
Technology Client: Technical or Technology platform or environment
on which day to day business transactions will take place. Master
data is also maintained and managed.
Product: Business Segments (Industry Segment  Industry Specific
Soln.(IS)
Consolidation at Tata Sons as holding company
Tata
Motors
Tata
Chemic
al
Tata
Power
Charts of Account: Finance: Set a GL accounts. Country Specific or
else it can be clubbed depending upon volume of business and ease of
doing business.
Company Code: Finance: Legal entity. It is the smallest unit from
financial perspective and the highest org unit from logistics
perspective.
Purchase Organisation: highest org element from procurement
aspect. It can be at 3 different levels.
a. Purchase Orgnz  it can be above the company code. Indicating
central procurement irrespective of nature of business or across
legal entity setup
b. Purchase Orgnz  it can be at the level of company code.
Meaning it is one to one mapping with the legal entity or
company code.
c. Purchase Orgnz
Depots)
can be at the level of Plant (Mfg. Setup or
Purchase Group: Set of people responsible to procure material.
Location
Nature of Material
Values
Logistics or Inventory Management Aspect
Company Code  concept of Plants (Mfg. Unit or a godown or depot)
Plant: Define in various ways
Production Aspect  It is always a manufacturing setup
Sales & Distribution Aspect  it is always a delivering plant.
Shipping point which is linked to it. Which means the plant is capable
for dispatch of goods.
Materials Mgtm Aspect: It is a storage or a godown or depot where
goods are placed.
Under Every plant there is a storage location: Storage location is
where the goods are stored or kept physically.
-
Raw Material Store
Semi-Finished Stores
Finished Goods
Damaged Goods
Sales Return
QC storage location
Warehouse: Combination of Plant & Storage Location. A warehouse in
SAP is denoted by a 3 digit number called the Warehouse Number.
Plant A (4 digit numeric code  1100) + FG stores (FG01)  Warehouse
which is denoted by a number for example. 010  (1100+FG01=010)
warehouse number.
Products of SAP (Components)
ECC  ERP Component 
SD, MM (inventory mgtm + procurement), FI, CO,
WM (higher version of inventory mgtm), PS, PP, QM, PM
EWM  Extended Warehouse Mgtm.
WM  Enterprise Structure,
Inbound & Outbound Logistics (Shipping  LE)
 Picking, packing, putaway
 Internal & External Movements