Definitions of training terms: Drive and Threshold

[BGpa]

Here are a couple explanations that help me understand the use of these terms:

Can I Train My Own Dog in Bite Work?

Protection training, when it is done properly, is one of the most demanding and difficult dog training tasks out there. Most dogs can learn obedience, scent work, or agility. But few dogs can be trained in handler protection.

leerburg.com

https://www.workingdogmagazine.com/the-arousal-curve/

Please add your comments and thoughts...this is a very deep topic and I see the terms are used differently in other breeds, or schools of thought on training, so its helpful to me to understand how it applies in dobermans...traditionally and as its evolving today.