ru·bric 
/ˈru:brɪk/ noun
plural ru·brics /ˈru:brɪk/ noun [count] formal 1 : a name or heading under which something is classified
▪ They classify very different problems under a general rubric. [=category] 2 : an explanation or a set of instructions at the beginning of a book, a test, etc.
▪ They classify very different problems under a general rubric. [=category]
