What is Law?

Law is the body of binding rules that regulates social life and defines rights, powers, duties and responsibilities in relationships among individuals and between individuals and the state. It consists of more than statutes or courts: the Constitution, statutes, international treaties, regulations, judicial interpretation and legal principles together form the legal order. Law seeks to preserve social order while promoting justice, legal certainty, human rights and the peaceful resolution of disputes. This article provides general information with a focus on Türkiye and is not legal advice for a particular case.

The meaning, purposes, characteristics and principal sources of law

1. What is law? Law is a system of rules governing human conduct in society and the operation of institutions. It determines who holds a right, how a power may be exercised, how an obligation arises and ends, and what consequence follows when a rule is breached. Law covers both everyday life and the organization of the state: shopping, leases, marriage, employment, taxation, crime, elections, administrative action and international relations are governed by different legal rules. 2. What are the main purposes of law? Its principal purposes are to maintain social order and peace, protect rights and freedoms, pursue justice, create predictability for individuals and public authorities, and resolve disputes through regulated procedures. These aims can sometimes be in tension. For example, a restriction intended to protect public order must not interfere disproportionately with fundamental rights. Law does not merely prohibit conduct; it also grants rights, establishes institutions, defines procedures and limits public power. 3. Characteristics of a legal rule Legal rules may be framed in general and abstract terms, while individual decisions concerning particular people or events may also produce legal consequences. Rules are binding and may be enforced by authorized state bodies when breached. Yet the consequence of every legal rule is not a criminal penalty. Invalidity, damages, compulsory performance of an obligation, revocation of a licence, an administrative fine or annulment of an act are different examples of legal sanctions. 4. The difference between law, morality, religion and etiquette All of these systems may guide conduct, but their foundations and sanctions differ. Morality relates to conscience and social values, etiquette to social expectations, and religious rules to a system of belief. A legal rule is recognized by authorized institutions and may, when necessary, be enforced through public power. The same conduct may receive both legal and moral evaluation, but not everything regarded as immoral is legally prohibited, and legal permission does not necessarily imply moral approval. 5. Are law and justice the same? Law refers to the body of rules and institutions in force, while justice expresses ideas such as equality, fairness and giving each person what is due. Law is expected to realize justice, but the existence of a rule, its interpretation and whether it produces a just outcome in a particular case are separate questions. The rule of law requires public power itself to be bound by predetermined rules and its actions to be open to review by an independent judiciary. 6. Principal sources of written law In Türkiye, the Constitution is the highest binding legal text. Statutes, duly enacted international treaties, presidential decrees, regulations and other regulatory acts apply within their respective fields of competence and the hierarchy of norms. Every regulatory act must comply with superior norms. The name of a document alone is not enough: the issuing authority, legal basis, subject matter, effective date and subsequent amendments must be checked. 7. Unwritten sources and judicial interpretation Customary law may matter where legislation refers to it or leaves a gap in certain fields. Judicial decisions, especially case law from higher courts, are highly important for understanding how rules are interpreted. Academic legal writing, known as doctrine, is also explanatory and influential. However, every court decision does not apply automatically to every dispute; its binding effect, the type of court, the facts and the legislation in force must be considered together. 8. Application of laws in time and place It is necessary to check when a rule took effect and whether it was in force at the time of the relevant event. As a general rule, laws apply to events occurring after they are promulgated and enter into force, although special principles and exceptions concerning retroactivity differ by field. In contracts, marriages, inheritance and commercial relationships with a foreign element, the applicable country's law and the competent court must also be determined. 9. Legal events, acts and transactions Events such as birth, death or the passage of time to which the legal order attaches consequences are legal events. Human conduct that produces a legal consequence may be treated as a legal act. Conduct in which intent is directed toward obtaining a legal consequence, such as making a contract, executing a will or forming a company, is a legal transaction. Requirements concerning capacity, intent, subject matter, form and legality vary by transaction.

Branches of law, avenues for asserting rights, the judiciary and everyday life

10. Public law and private law Public law examines the organization of the state and relationships involving the exercise of public authority. Constitutional, administrative, criminal, tax and significant parts of procedural law fall within this field. Private law generally governs relationships between parties on an equal legal footing; civil law, the law of obligations and commercial law are leading examples. Fields such as labour, consumer, competition and information-technology law may combine features of both. The distinction helps identify the applicable rules and judicial route. 11. Principal branches of law Constitutional law addresses the basic structure of the state and fundamental rights; administrative law concerns public administration; criminal law defines offences and sanctions; civil law governs persons, family, inheritance and property; the law of obligations covers contracts and liability; and commercial law regulates businesses, companies and negotiable instruments. Labour and social-security law concerns employment, tax law public revenue, enforcement and bankruptcy law compulsory satisfaction of claims, and international law relations between states and relationships involving a foreign element. 12. Rights, freedoms, duties and responsibility A right is an interest protected by the legal order or a power granted to a person. Freedom is the sphere within which a person may choose while respecting legal limits. A duty requires specified conduct, while responsibility means bearing the legal consequences of conduct. Rights are not unlimited; they may be restricted within the framework of others' rights, public order and constitutional standards. Legality, legitimate aim, necessity and proportionality are important when fundamental rights are restricted. 13. What does the rule of law mean? Under the rule of law, the legislature, executive and administration are also bound by law, and public power cannot be exercised arbitrarily. Legal certainty, predictability, equality before the law, protection of fundamental rights, an independent and impartial judiciary, effective remedies and judicial review of administrative action are central elements. Article 2 of the Constitution of the Republic of Türkiye defines the Republic as a democratic, secular and social state governed by the rule of law; Article 10 addresses equality before the law, and Article 36 the freedom to claim rights. 14. The judicial system and courts in Türkiye Judicial power is exercised on behalf of the Turkish Nation by independent and impartial courts. Civil and criminal disputes are heard in the ordinary judiciary, while disputes arising from administrative acts and actions are heard in the administrative judiciary. The Constitutional Court conducts constitutional review and, when the relevant conditions are satisfied, examines individual applications. The subject, parties, value of a dispute and special legislation determine the competent forum and venue. Not every matter can be taken directly to the same court or to a higher court. 15. How does a legal dispute proceed? The process generally involves identifying facts and evidence, finding the applicable rule, applying to the competent authority, examining claims and defences, issuing a decision and, where available, pursuing legal remedies. Mediation or an administrative application may be mandatory before litigation in some disputes. Pleadings, fees, jurisdiction, venue, limitation periods and forfeiture periods can directly affect the outcome. Using an online sample petition without adapting it to the case may cause a loss of rights. 16. Proof, evidence and the presumption of innocence How an allegation is proved differs by field of law. Contracts, invoices, messages, witnesses, expert examination and official records may serve as evidence under specified conditions. Evidence must be obtained lawfully; not every screenshot or secret recording is automatically admissible. In criminal law, no one may be regarded as guilty until guilt is established by a judgment. The standard of proof in criminal proceedings and the burden of proof in private-law disputes are not the same. 17. Mediation, conciliation and arbitration Not every dispute must be resolved by a court judgment. In mediation, a neutral third party helps the parties develop their own solution; it can be a precondition to litigation in certain employment, commercial, consumer and tenancy disputes. Conciliation applies to specified criminal disputes, while arbitration allows disputes to be decided by arbitrators based on the parties' agreement. Availability, enforceability and filing periods must be checked for the particular case. 18. Preventing loss of rights in everyday life Read a document before signing it; check blank spaces, penalty clauses, automatic renewal, jurisdiction clauses and termination conditions. Retain records of payment, delivery and notices. Do not ignore an official notification, because electronic or physical service may start a deadline. Verify current legislation through the Official Gazette, the Legislation Information System, UYAP and official pages of the relevant institutions. Seek services such as legal counsel, notarial assistance, mediation and legal aid when needed. 19. Frequently asked questions “Is every injustice a crime?” No. Conduct may be morally wrong or give rise to damages, but offences and penalties can only be established by law. “Is an oral agreement valid?” Some transactions may be made orally, while others require written or official form; proof may also be difficult. “Is ignorance of the law an excuse?” As a general principle, merely saying that one did not know the rules in force does not automatically remove responsibility. “Is online information sufficient?” General information is a starting point, but current legislation, deadlines and the facts of a case may require professional assessment. Source basis: Republic of Türkiye Ministry of Justice Legal Dictionary; Constitution of the Republic of Türkiye; Ministry of Justice publication on the Turkish judicial system. Sources checked on 10 October 2026.