Various definitions of quality are described in the text: transcendent definition, product-based definition, user-based definition, value-based definition, and production-based definition. Each quality definition specializes in emphasizing the most important measures related to that output. The definitions also rely heavily on consumer perspectives of the outputs that work with respect to customer satisfaction. Understanding the outcomes your consumer wants is typically the simplest way to define quality. Customers can be considered potential customers, existing customers, and internal customers. Less discussed internal customers are critical in assessing quality. Internal customers are stakeholders, employees or shareholders. In every business function, customers are at the center of the operation. The reason for a customer-focused approach is the judgment of quality. In the eyes of a consumer it is imperative. Understanding customers' needs and expectations is the most difficult part of evaluation in my previous experience, this is the most difficult part of quality evaluation. My personal work experience is sales oriented and a large part of my job involves determining customers' ultimate needs. It is not uncommon for the customer not to fully understand