As you review and discuss the formal job description, watch for your supervisor's personal interpretation of the criteria. Often times this formal criteria is written in very general terms and needs interruption. For instance, employee flex hours is a good example of this. The company may have a policy of flex hours, but your supervisor really needs you there from 9 to 5 regardless. If you are not aware that he or she prefers you work 9 to 5, you could be viewed as not performing and severely limiting your chances for a favorable job review and consequently any promotion that may go with it.
Informal criteria is just as important as the formal criteria.
True career advancement starts with discovering the formal and informal criteria by which you are judge. Discover all the criteria and combine this knowledge with good job performance. If you do this, raises and promotions will soon follow. In the book he provides many career tips for taking control of your career and making promotions occur sooner.