Roles meaning : A character or part played by a performer or actor. The expected behaviour of an individual in a society. The function or position of something. Designation that denotes an associated set of responsibilities, knowledge, skills, and attitudes (grammar) The function of a word in a phrase. In the Raku programming language, a code element akin to an interface, used for composition of classes without adding to their inheritance chain. An ancient unit of quantity, 72 sheets of parchment.