Final answer:
Belief systems are stable, long-lasting beliefs about what is important in a variety of situations.
Step-by-step explanation:
Stable, long-lasting beliefs about what is important in a variety of situations are called belief systems. These belief systems serve as the foundation for an individual's overall view of life and can provide a sense of identity, orientation, and value. However, when inconsistencies and contradictions arise, it may be necessary to critically examine and possibly revise or reject certain beliefs in order to develop a more internally coherent and satisfying belief system.