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English definition of “theme”

theme

noun [C] (TUNE)    /θiːm/
a song or tune that is played several times in a film, etc. and represents a character, situation, etc.: a theme song/tuneTypes of songsMusical pieces a short, simple tune on which a piece of music is basedMusical pieces
(Definition of theme noun (TUNE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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