The Vanua is headed by a Turaga i taukei, the most prominent chief from the most prominent family. To explain further, a Vanua is the largest collective group of people associated with a particular territory or area of land. A Vanua is divisible into a group of Yavusa / tribes: a Yavusa is a group of Mataqali / clans: a Mataqali is a group of Tokatoka / family units. Within the Mataqali making up one Yavusa one Mataqali will be predominant and head that Yavusa as a whole. Similarly, one Tokatoka will head that Mataqali and one member of that Tokatoka will be Senior Chieftain / Turaga i Taukei of that Vanua.