A film, also called a movie or motion picture, is a story conveyed with moving images. It is produced by recording photographic images with cameras, or by creating images using animation techniques or visual effects. The process of filmmaking has developed into an art form and industry.
Films are made up of a series of individual images called frames. When these images are shown rapidly in succession, a viewer has the illusion that motion is occurring. The viewer cannot see the flickering between frames due to an effect known as persistence of vision, whereby the eye retains a visual image for a fraction of a second after the source has been removed.
Most people use "film" and "movie" interchangeably. "Film" is more often used when considering artistic, theoretical, or technical aspects, as studies in a university class. "Movies" more often refers to entertainment or commercial aspects, as where to go for fun on a date. For example, a book titled "How to Read a Film" would be about the aesthetics or theory of film, while "Lets Go to the Movies" would be about the history of entertaining movies.
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