Final answer:
Quality and Critical-to-Quality (CTQ's) are subjective terms defined by criteria and constraints. Criteria are measurable values for comparing designs, and constraints are conditions designs must meet. In a business context, product quality can be defined by criteria such as durability and functionality.
Step-by-step explanation:
Quality and the Critical-to-Quality (CTQ's) are subjective terms that are defined by criteria and constraints. Criteria are measurable values used to compare designs and determine which is better, while constraints describe conditions that must be met by the design and design process. For example, in a business context, the quality of a product can be defined by criteria such as durability, functionality, and customer satisfaction, while constraints may include cost and production time.