Learn how to say Rubrical correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word rubric:
1a heading on a document.
party policies on matters falling under the rubric of law and order
2a set of instructions or rules.
a direction in a liturgical book as to how a church service should be conducted.
a statement of purpose or function:
art for a purpose, not for its own sake, was his rubric
late Middle English rubrish (originally referring to a heading, section of text, etc. written in red for distinctiveness), from Old French rubriche, from Latin rubrica (terra) ‘red (earth or ochre as writing material)’, from the base of rubeus ‘red’; the later spelling is influenced by the Latin form