Commercial photography is photographic work done for commercial purposes, such as for magazine advertising, corporate publications, brochures, restaurant menus, and so on. In short, commercial photography involves a client that wants to sell or promote something for which they need photographs taken.
Examples of commerical photography uses:
Picture of product a business is trying to sell, such as a car or a piece of furniture.
Some businesses may need aerial photography to show their stadium or property in an attractive way.
Photographs of food are seen everywhere from fast food menus to ads in culinary magazines.
Overall, commerical photography is generally used to advertise or promote some item or business.