A retail manager (or store manager) is the person ultimately responsible for the day-to-day operations (or management) of a retail store. All employees working in the store report to the retail/store manager. A store manager reports to a district/area or general manager.
A retail manager's role is to run a store successfully. Working on the shop floor, they are in constant contact with their customers and staff. They are responsible for ensuring their staff give great customer service as well as monitoring the financial performance of the store.