What is "rubrics"

Usage examples of "rubrics".

Early in the XVIIIth dynasty scribes began to write the titles of the Chapters, the rubrics, and the catchwords in red ink and the text in black, and it became customary to decorate the vignettes with colours, and to increase their size and number.

Experience and instinct combined to send him after the right indices, the right permutations, the right rubrics, the right depths.