Quality levels refer to the different standards or grades that products or services can achieve. These levels help consumers understand the expected performance, durability, and overall value of what they are purchasing. For example, in manufacturing, items may be classified as Grade A, Grade B, or Grade C, with Grade A representing the highest quality. In various industries, quality levels are often determined by specific criteria, such as materials used, craftsmanship, and adherence to safety regulations. Organizations may use quality management systems, like ISO 9001, to ensure consistent quality across their offerings, ultimately enhancing customer satisfaction and trust.