afterword

/ˈæftərwɜrd/
noun
  1. A section at the end of a book that comments on the main text, often written by the author or another person.
    • The author wrote an afterword explaining how the story was inspired by real events.
    • I always read the afterword because it gives interesting background information.
    • In the afterword, the editor thanked everyone who helped with the research.
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