What Is Pure Cinema?

"Pure cinema for [Alfred] Hitchcock meant communicating through pictures. Give the audience something that only the movies can give you. You can get words from radio and books. You can get music from records and CDs and orchestras. You can get all those things somewhere else. But only the movies can give you moving pictures."--David Sterritt, film critic, from "Pure Cinema: Through the Eyes of the Master," a bonus feature on Rear Window (1954) DVD.