Technical specialists like to name social problems using the language of their disciplines, and of whatever narrow policy community they belong to. What they often forget is that to secure broad support within the relevant political community how you define the problem that you are asking society to focus on and do something about matters. It matters a great deal. In fact, it can be the difference between getting the attention of legislators and broad publics or having your issue ignored.
For a live example consider the current efforts to implement health-care reform in the United States, something that presidents have been trying to do for about 50 years. Let's ask: What's wrong with America's health care system? What needs to be fixed? In other words what is the definition of the problem?