This document discusses customer satisfaction, including its meaning, components, models, and measurement. Customer satisfaction results from fulfillment of needs and expectations, and differs between individuals. It is directly impacted by product/service performance and quality. Models of customer satisfaction include expectation disconfirmation, perceived performance, norms, attribution, and equity. Measuring customer satisfaction involves comparing expectations to actual perceptions and experiences. Maintaining high customer satisfaction is important for customer loyalty, retention, and superior business performance.