Master Loudness Meter

Besides the CB pdf manual, can anyone suggest a site or youtube page that helps with understanding the applications of all the different settings found in the meter section of CBPro 10.5? Like real world examples of using the different settings in the Master AND Loudness meters so one can grasp the concept of what they are for and when they are used. Not exactly a “Loudness meter for Dummies”, or um maybe yes!

Thanks! - options described here

then some standards:

2nd part is here and explains more specific like Spotify:

Thank you!