This document discusses the concept, origin, evolution, features, sources, and classifications of law. It notes that law is a dynamic social science that evolves with society. Law encompasses principles and regulations established by authority that are applicable through legislation or customary practices enforced by the state. It serves as a set of rules governing human actions and expressing general norms. Law is classified in various ways, including general law, private international law, conventional law, special law, international law, private law, public law, and autonomic law. These classifications provide a framework for understanding the diverse facets and sources of law.