Breathing Technique for Singing – “Take a deep breath”

“Take a deep breath” is an often misused vocal direction to imply that in order to sing for a longer phrase you just need to have more air in the lungs.
How to sing from your diaphragm

Firstly, I am almost certain that you have heard of this elusive membrane. Secondly, I am sure that you have checked out a couple of “How to sing” YouTube videos where they talked all about it. How wonderful that you are here, btw so that we can really dive into the nitty gritty of what the hell they are banging on about.