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iconography: the use of a well-known symbol or icon. For example, in the movies a star's persona can be iconographic. Iconography can also involve specific stylistic conventions of a particular genre or the use of archetypes or stylistic lighting, costuming, etc.
idealism: treatment of subject matter in a work of art (play, novel, film, etc.) in which the concept of beauty and/or form is stressed, characterised usually by the selection of actors and/or characters which meet a specified standard of perfection; Cf. realism and naturalism.
independent producer: a producer who is not affiliated with a major studio.
intercut: see cross-cutting
intrinsic interest: an area of the film image which demands the viewers attention because of its dramatic importance but which is not the visual centre of the image.
iris: a cinemagraphic technique in which a part of the screen is blacked out so that only a portion of the image can be seen by the viewer. Usually the iris is circular or oval shape and is often expanded or contracted as the film rolls.