Final answer:
Visitors of ABC Market, including Mrs. Jones who shop there for food, are classified as customers. They are crucial as the demand side of the market, purchasing goods and services from the suppliers, which are businesses like the grocery store.
Step-by-step explanation:
The shoppers who visit ABC Market every Saturday, like Mrs. Jones, are best defined as customers to ABC Market. These individuals are the end-users who purchase goods and services for personal or professional use. Within the market mechanism, customers play a crucial role as the demand side, often outnumbering the suppliers, who are the businesses offering products and services.
In different contexts, individuals or entities may also act as community allies, competitors, partners, or suppliers, depending on their interactions with a business. However, in this scenario, since they are visiting the grocery store to buy food, their role is that of a customer. It's important for businesses like ABC Market to understand and value their customers as they directly affect the company's sales and market presence.