rubric

1. A heading in a book highlighted in red.
2. A title of a category or a class.

   That would fall under the rubric of things we can ignore for now.

3. The directions for a religious service, formerly printed in red letters.
4. An established rule or custom; a guideline.
5. A printed set of scoring criteria for evaluating student work and for giving feedback.
6. A flourish after a signature.
7. Red ochre.

verb

To adorn with red; to redden.

1. Coloured or marked with red; placed in rubrics.
2. Of or relating to the rubric or rubrics; rubrical.