Australian Aboriginal kinship

Kinship

Kinship is a relationship between any entities that share a genealogical origin, through either biological, cultural, or historical descent. And descent groups, lineages, etc. are treated in their own subsections....

is the system of law

Law

Law is a system of rules and guidelines which are enforced through social institutions to govern behavior, wherever possible. It shapes politics, economics and society in numerous ways and serves as a social mediator of relations between people. Contract law regulates everything from buying a bus...

 governing social interaction, particularly marriage

Marriage

Marriage is a social union or legal contract between people that creates kinship. It is an institution in which interpersonal relationships, usually intimate and sexual, are acknowledged in a variety of ways, depending on the culture or subculture in which it is found...

, in traditional Australian Aboriginal culture

Australian Aboriginal culture

Aboriginal Australia comprises hundreds of tribal divisions and language groups, with a diverse range of cultural practices.-Practices and ceremonies:*A Bora is an initiation ceremony in which young boys become men....

. It is an integral part of the culture of every Aboriginal group across Australia.
The subsection or 'skin name' system is a division of society into a number of groups, each of which is given a name that can be used to refer to individual members of that group.