Mike, as I said in post #6, "I'm thinking here of the way line source speaker - aka column speakers - focus the sound coverage in the vertical plane whilst giving a wide dispersal action in the horizontal plane (with the column mounted vertically as usually found)." 
As for being a 'new fangled'' term, I've been familiar with it for the best part of 60 years - how far back do you consider something to be 'new'?
As for being a 'new fangled'' term, I've been familiar with it for the best part of 60 years - how far back do you consider something to be 'new'?
