2. (determiner) they have, they had (three or more people and more than one thing) - a possessive determiner.
(Te Kākano Textbook (Ed. 2): 108-110;)
See also ā rātau
3. Used in these ways listed above when the possessor has control of the relationship or is dominant, active or superior to what is possessed.
(Te Kākano Textbook (Ed. 2): 54-56, 140-141;)