In the common law tradition, the law of domestic relations is a broad category that encompasses:
In some jurisdictions, guardianships, truancy, and matters related to juvenile delinquency are considered part of the law of domestic relations.
Many sorts of dispute fall into this broad category; many people who will not otherwise have any dealings during their lives with the judicial system have domestic relations disputes. Because of the volume of legal business generated by the law of domestic relations, a number of jurisdictions have established specialized courts of limited jurisdiction, sometimes called family courts, which hear domestic cases exclusively.