An Enterprise is split into various Business Units (BUs).
Primary Business Units (PBUs) equate to those Business Units that perform the
main role of the Enterprise such as Sales, Banking, Drilling oil wells, etc.
Supporting Business Units (SBUs) are those which support the PBU’s, usually
supporting multiple PBU’s
Each BU (be it Primary or Support) can be split into two
fundamental notional parts.
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