A precept is a commandment, instruction, or order intended as an authoritative

Authority

The word Authority is derived mainly from the Latin word auctoritas, meaning invention, advice, opinion, influence, or command. In English, the word 'authority' can be used to mean power given by the state or by academic knowledge of an area .-Authority in Philosophy:In...

 rule of action.
The term is encountered frequently in the Jewish and Christian Scriptures; e.g.:
The term given in the RSV as "precepts" corresponds with the reading in the Hebrew Bible. The Septuagint (Samuel Rengster edition) has Greek

Greek language

Greek is an independent branch of the Indo-European family of languages. Native to the southern Balkans, it has the longest documented history of any Indo-European language, spanning 34 centuries of written records. Its writing system has been the Greek alphabet for the majority of its history;...

 entolas, which, too, may be rendered with precepts.

Roman Catholic Canon law

Canon law (Catholic Church)

The canon law of the Catholic Church, is a fully developed legal system, with all the necessary elements: courts, lawyers, judges, a fully articulated legal code and principles of legal interpretation. It lacks the necessary binding force present in most modern day legal systems. The academic...

, which is based on Roman Law

Roman law

Roman law is the legal system of ancient Rome, and the legal developments which occurred before the 7th century AD — when the Roman–Byzantine state adopted Greek as the language of government. The development of Roman law comprises more than a thousand years of jurisprudence — from the Twelve...

, makes a distinction between precept and law in Canon 49:
Also in Catholicism, the "Commandments of the Church

Commandments of the Church

In the Roman Catholic Church, the Commandments of the Church or Precepts of the Church are certain laws considered binding on the faithful. As usually understood, they are moral and ecclesiastical, broad in character and limited in number. In modern times there are often said to be six, or...

" may also be called "Precepts of the Church".
In Buddhism

Buddhism

Buddhism is a religion and philosophy encompassing a variety of traditions, beliefs and practices, largely based on teachings attributed to Siddhartha Gautama, commonly known as the Buddha . The Buddha lived and taught in the northeastern Indian subcontinent some time between the 6th and 4th...

, the fundamental code of ethics is known as the Five Precepts (Pañcaśīla in Sanskrit, or Pañcasīla in Pāli), practiced by laypeople, either for a given period of time or for a lifetime.