How is the word 'connotation' used in relation to arts and music? in relation to film ,visual and perfoming arts

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means that the work of art inspires or brings about a reaction in the viewer/listener/reader of
an association or relationship (emotional or otherwise) to something outside the work of art. 
It may be an emotional response where the viewer feels an association with an event in his or
her own life; it may be a mental association of the artwork with an historic event, or a
philosophical concept; it may be the work actually refers to some real world event or cultural
ideal or human condition to inspire the asociation within the viewer's mind.  Puns, symbols and
allusions are often used in this context.