Most often appearing in our analysis, as shown above, are the certain fundamentals:
From the analysis of the various productions and methods of selling the material more fundamentals appear.
Three types of faults common to amateur or poorly prepared entertainments are most carefully avoided. There are no delays nor fumblings. There are no excess movements or lines. Everything means something, everything builds-up to the climax without blind by-paths or diversions. The old rule of the show business is religiously observed: Not too much; but just a bit too little.
And there is that final, inescapable essential: