What do you mean by the terms Sales office, Sales groups, and Sales employee in the SD module?

 The geographical groups created for an organization to structure a Sales team are known as Sales office.
 A Sales office is then assigned to one or more Sales Area. The staff of a Sales office is divided into Sales groups and then Sales employee is assigned to a Sales group. A Sales employee refers to the individual with personnel master records that are used to manage data of that Sales employee.