Motif
A recurring element in a work of literature. It is usually a dominant idea or theme and can be an object, setting, or situation that has some symbolic significance and is seen several times within the story. For example, in Shakespeare's Macbeth, hallucinations, violence, and prophecy all act as motifs. Also, in Charlotte Bronte's Jane Eyre, the recurring presence of fire and ice is a motif.
Etymology
The term is French in origin.
Works Cited
"Motif." The Penguin Dictionary of Literary Terms and Literary Theory. Ed. J. A. Cuddon. 4th ed. London, UK: Penguin Group, 1999.