Why is defining quality so difficult? How do you define it?

Why is defining quality so difficult? How do you define it? And how can we improve our understanding of the concept of quality? Please give an example of a situation in which you experienced good quality product or service with your supplier and a situation in which you had poor quality goods or service from your supplier. Why did you think the product or service was good or bad?

Why is defining quality so difficult? How do you define it?

Reminder: A high quality post is one that explicitly links your personal opinion or experience with the course materials or other relevant outside sources using proper APA format. Both in-text citations and a reference list are required for this discussion.