Ko te āhua o te reo kōrero o ia rā o tētahi rōpū, o tētahi takiwā rānei. Ka whai wāhi atu ki te reo kai parāoa, ko ngā momo kīwaha, ko te kīpaki, me te mita ake o te rōpū, o te takiwā rānei.
The nature of the everyday language of a group or a geographical region. Included in the vernacular are various colloquialisms, slang, and the particular dialect of the group or region.