The phrase product management is often met with a wide range of definitions-even from people within the field. However, that doesn't come as a surprise because the function can be responsible for many different things depending on the type of product, industry, and organization. 
So how would we answer the question: "What is product management?" We'd likely say that product management is the intersection of business, technology, and UX to strategically drive the vision, development, market launch, and continual support and improvement of a company's product(s).