Many Action Pictures are indoors, but the abstract theory of the Action Film is based on the out-of-door chase.

You remember the first one you saw where the policeman pursues the comical tramp over hill and dale and across the town lots.

You remember that other where the cowboy follows the horse thief across the desert, spies him at last and chases him faster, faster, faster, and faster, and finally catches him.

If the film was made in the days before the National Board of Censorship, it ends with the cowboy cheerfully hanging the villain; all details given to the last kick of the deceased.
One of the best Action Pictures is an old Griffith Biograph, recently reissued, the story entitled "Man's Genesis." In the time when cave-men-gorillas had no weapons, Weak-Hands (impersonated by Robert Harron) invents the stone club.

He vanquishes his gorilla-like rival, Brute-Force (impersonated by Wilfred Lucas).