Production and operations management is the process of turning an organization's resources into goods and services.
Production management relates to the activities around creating products.
Operations management has to do with the production and delivery of products and services.
In general, the role of an operations manager is to manage all activities involved in producing the goods and/or services of a business.
In the retail industry, for example, an operations manager would manage all activities related to daily retail floor functions as well as planning and strategizing.