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Related to plot line: plot element
plot lineor plot·line (plŏt′līn′)
1. A literary or dramatic plot; a story line.
2. One of the narrative strands forming a complex plot: "woven a web of intersecting plotlines about military intrigue, marital infidelity and—of course—shady real-estate deals" (Dave Itzkoff).
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.