Which means:

• to be able to easily DO with confidence what you need to do to get the results you actually want.
• To cognize how to respond to what you have in front of you, be it an old dog, a reclaimed dog, a shy dog or a frightened dog; to ...
• KNOW what to do to have this dog understand, discover and co-operate with you;

This is truly dog training in the real world! as every dog is unique, and every owner is too