What is sharia law? what is civil law? what is tribal law? and what is emirate law?

sharia, sharia law, or islamic law (arabic: شريعة‎ (ipa: [ʃaˈriːʕa])) is a religious law forming part of the islamic tradition. it is derived from the religious precepts of islam, particularly the quran and the hadith.

civil law, or civilian law, is a legal system originating in europe, intellectualized within the framework of roman law, the main feature of which is that its core principles are codified into a referable system which serves as the primary source of law. this can be contrasted with common law systems, the intellectual framework of which comes from judge-made decisional law, and gives precedential authority to prior court decisions, on the principle that it is unfair to treat similar facts differently on different occasions.

definition of tribal law. tribal law means the statutory and common law of the san manuel band of missions indians, including ordinances, rules and regulations adopted by the governing authority of the tribe; and the traditions and customs of the tribe, whether or not codified.

emirate law definition

emirate - the domain controlled by an emir. demesne, domain, land - territory over which rule or control is exercised; "his domain extended into europe"; "he made it the law of the land".