The person we can thank for coming up with the name "Progressive Web App" or PWA is Alex Russell. He's also known as one of the essential engineers of Google Chrome. Alex Russell used the PWA term to help him describe an entirely new generation.
Dimensions and Metrics are closely related but very different. In order to get more out of your Google Analytics Data, it helps to know and understand the difference. In this video, I'll go over the difference between Dimensions and Metrics in.