The document discusses different areas of law including public law, private law, constitutional law, criminal law, civil law, written law, and unwritten law. Public law governs relationships between individuals and the state, while private law concerns relationships between individuals. Criminal law punishes wrongdoings against the state, and civil law provides remedies for individuals. Written law includes legislation while unwritten law includes precedents and customs. Procedural law establishes rules for enforcing rights in civil and criminal matters.