What’s the difference between QC and QA?

Quality Control vs Quality Assurance

When starting in the vast world of quality management systems, one of the first questions I had was related to the differences between quality control and quality assurance. I think these phrases get thrown around interchangeably, and I’m sure in certain situations it really doesn’t matter, but overall I think there are a few distinct differences between the two. As your reading and articles get more sophisticated, it can be valuable to understand both of these terms. Let’s start with some simple definitions.