Customer satisfaction  is defined as a measurement that determines how happy customers are with a company's products, services, and capabilities. Customer satisfaction information, including surveys and ratings, can help a company determine how to best improve or changes its products and services. Customer satisfaction is a term frequently used in marketing. It is a measure of how products and services supplied by a company meet or surpass customer expectation.
Customer satisfaction  is a marketing term that measures how products or services supplied by a company meet or surpass a  customer's  expectation.  Customer satisfaction  is  important  because it provides marketers and business owners with a metric that they can use to manage and improve their businesses.