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Light and darkness can be used metaphorically to help structure good and bad in all media, but film is particularly suitable for exploiting such metaphors. On the basis of examples from three feature films, we discuss in what way the metaphor functions in general and suggest how it allows for a degree of creative play. Moreover, it is pointed out how the metaphor usually interacts with other narratologically salient elements in order to achieve its specific, context-dependent effects. The paper ends with suggestions how the study of this and other conceptual metaphors in film may benefit both metaphor and film scholarship.
Forceville et al. (Tue,) studied this question.