Final answer:
A sales area is defined by the combination of sales organization, distribution channel, and division, representing the structure for the distribution of goods and services within a market.
Step-by-step explanation:
The combination of organizational elements that is included in the definition of a sales area is: sales organization, distribution channel, division. In business, particularly in the context of a sales environment, these elements play pivotal roles. The sales organization is the unit responsible for the sale of goods and services within a given market, the distribution channel defines the pathways through which the goods and services reach customers, and the division typically refers to a product or service line within the sales organization.