In this tutorial, Dan Worrall gives an in-depth explanation of levels and loudness in the digital domain. Is louder always better? How can you make your audio sound loud and still have depth and punch?
Part 2: https://youtu.be/brXOrmgPCfE
More tutorials at https://www.fabfilter.com/video
More info about Pro-L at https://www.fabfilter.com/products/pro-l-2-limiter-plug-in