Explain the three main areas of customer master data. | SAP-SD

  Customer master is a part of the SD module and forms the basis for customer-related transactions.
It is divided into three areas:
=>    General Data — It is used for the maintenance of general customer details such as name, address, phone/fax nos. and so on.
=>    Sales Area Data — It is used for Sales related data maintenance.
=> Company Code data — It used for accounts related data maintenance.