Definition of rubrics:
(n) :
(education) A set of scoring criteria for evaluating student work and for giving feedback.
(n) :
(education) A set of explanatory notes or rules at the beginning of an exam paper, usually typographically distinct from the rest of the paper.
(n) :
An established rule or custom; a guideline.
(n) :
A title of a category or a class.
(n) :
(Christianity) The directions for a religious service, formerly printed in red letters.
(n) :
A heading in a book highlighted in red.