Conversation so far:
what is a theatrical cut of a movie
The theatrical version of a movie is the one that was originally shown in theaters, usually the cut of the movie that the studio thought would be best for moviegoers.
what other movie cuts are there besides theatrical
There is also the director's cut and the editor's cut.
how long is a typical movie
Most feature films are between 75 and 210 minutes long.
how long was the first feature film
The first narrative feature film was the 60-minute The Story of the Kelly Gang.

Question: what defines a film
Self-contained rewrite: what defines a feature film