According to a rubric, or religious directions.

A heading in a book highlighted in red. / A title of a category or a class. / (Christianity) The directions for a religious service, formerly printed in red letters.

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

(transitive) To adorn with red; to redden. / To organise or classify into rubrics

plural of rubric

A form of calligraphy, in medieval manuscripts, in which added text was coloured in red.

(obsolete) Marked with red.

(transitive) To write in the form of a rubric. / To create rubrication; to illuminate a manuscript with red letters.

(historical) The person who wrote the red titles and headings in a manuscript.

Of, pertaining to, or in the nature of a rubric