+A [plot device](/wiki/plot_device) is a literary technique or object used to advance the [narrative](/wiki/narrative). It subtly propels the story forward, often introducing or resolving [conflict](/wiki/conflict).
+## See also
+- [MacGuffin](/wiki/macguffin)
+- [Deus ex machina](/wiki/deus_ex_machina)
+- [Chekhov's Gun](/wiki/chekhovs_gun)
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