Answer:

rubric

Answer	Crossword Clue
RUBRIC	Manuscript heading
RUBRIC	Heading in text
RUBRIC	Protocol

RUBRIC	Guide for grading student performance
RUBRIC	Set custom
RUBRIC	Explanatory heading
RUBRIC	Title page, printed in red.
RUBRIC	Heading, possibly in red.
RUBRIC	Red letter, in early books.
RUBRIC	Gloss
RUBRIC	Setoff chapter heading

RUBRIC	Decorative heading
RUBRIC	Newspaper label that highlights longer articles in a series
RUBRIC	Explanatory comment
RUBRIC	Document heading
RUBRIC	Red-underlined book heading
RUBRIC	Authoritative rule
RUBRIC	Highlighted heading
RUBRIC	Category

RUBRIC	Grading aid