What is the meaning of Rubric?

A heading in a book highlighted in red.

A title of a category or a class.

The directions for a religious service, formerly printed in red letters.

An established rule or custom; a guideline.

A set of scoring criteria for evaluating student work and for giving feedback.

A flourish after a signature.

Red ochre.

Coloured or marked with red; placed in rubrics.

Of or relating to the rubric or rubrics; rubrical.

To adorn with red; to redden.

To organise or classify into rubrics

Source: wiktionary.org