But the formal side depends upon the outer conditions under which this content is exhibited.
Even with ordinary photographs we are accustomed to discriminate between those in which every detail is very sharp and others, often much more artistic, in which everything looks somewhat misty and blurring and in which sharp outlines are avoided.

We have this formal aspect, of course, still more prominently if we see the same landscape or the same person painted by a dozen different artists.

Each one has his own style.

Or, to point to another elementary factor, the same series of moving pictures may be given to us with a very slow or with a rapid turning of the crank.

It is the same street scene, and yet in the one case everyone on the street seems leisurely to saunter along, while in the other case there is a general rush and hurry.