You're describing the poles in the filter, this topic has to do with the attenuation of the tweeter relative to the overall frequency response. Try not to confuse the poor chap.Have a read:
Car Audio - Crossovers
Basically it's the slope of the crossover, the higher the slope the faster the cut.
You know, I didn't even realize it was the same guy... wtf!Didnt I explain this to you a few days ago?