Final answer:
Selena's position is defined by the tasks she has to complete, such as working with customers, taking inventory, and managing her team. These tasks determine her role within the company.
Step-by-step explanation:
The tasks that Selena has to complete, such as working with customers, taking inventory, and managing her team, define her position in the company. A position refers to a specific role or job that someone holds within an organization. In Selena's case, her position includes various tasks and responsibilities related to customer service, inventory management, and team supervision.