rubrications

/ˌrubrəˈkeɪʃənz/
noun
  1. Red letters, headings, or decorations added to a manuscript or book, especially in religious or ceremonial texts.
    • The rubrications in the prayer book marked the most important parts of the service.
    • The medieval monk carefully added rubrications to the illuminated manuscript.
    • Scholars study the rubrications in ancient Bibles to understand liturgical practices.
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