Physical entities must have self-sustaining processes to have the characteristic life.
Things called a process include:== Business and management ==Business process, activities that produce a specific service or product for customersBusiness process modeling, activity of representing processes of an enterprise in order to deliver improvementsManufacturing process management, a collection of technologies and methods used to define how products are to be manufactured
  It represents long-lived information relevant for the users and is usually stored in a database

