Rule or ruling may refer to:

Education

* Royal University of Law and Economics (RULE), a university in Cambodia

Human activity

* The exercise of

political Politics (from , ) is the set of activities that are associated with making decisions in groups, or other forms of power relations among individuals, such as the distribution of resources or status. The branch of social science that studi ...

or personal control by someone with authority or power *

Business rule A business rule defines or constrains some aspect of business. It may be expressed to specify an action to be taken when certain conditions are true or may be phrased so it can only resolve to either true or false. Business rules are intended to ass ...

, a rule pertaining to the structure or behavior internal to a business *

School rule School discipline relates to actions taken by teachers or school organizations toward students when their behavior disrupts the ongoing educational activity or breaks a rule created by the school. Discipline can guide the children's behavior or ...

, a rule that is part of school discipline *

Sport rule The regulation of sport is usually done by a sport governing body for each sport, resulting in a core of relatively invariant, agreed rules. People responsible for leisure activities often seek recognition and respectability as sports by joining sp ...

, a rule that defines how a sport is played * Game rule, a rule that defines how a game is played *

Moral A moral (from Latin ''morālis'') is a message that is conveyed or a lesson to be learned from a story or event. The moral may be left to the hearer, reader, or viewer to determine for themselves, or may be explicitly encapsulated in a maxim. ...

, a rule or element of a moral code for guiding choices in human behavior *

Norm (philosophy) Norms are concepts ( sentences) of practical import, oriented to affecting an action, rather than conceptual abstractions that describe, explain, and express. Normative sentences imply "ought-to" types of statements and assertions, in distinction ...

, a kind of sentence or a reason to act, feel or believe *

Rule of thumb In English, the phrase ''rule of thumb'' refers to an approximate method for doing something, based on practical experience rather than theory. This usage of the phrase can be traced back to the 17th century and has been associated with various t ...

, a principle with broad application that is not intended to be strictly accurate or reliable for every situation * Unspoken rule, an assumed rule of human behavior that is not voiced or written down * Slide rule, a mechanical analog computer

Science

Rule of inference In the philosophy of logic, a rule of inference, inference rule or transformation rule is a logical form consisting of a function which takes premises, analyzes their syntax, and returns a conclusion (or conclusions). For example, the rule of ...

or transformation rule, a term in logic for a function which takes premises and returns a conclusion *

Phrase structure rule Phrase structure rules are a type of rewrite rule used to describe a given language's syntax and are closely associated with the early stages of transformational grammar, proposed by Noam Chomsky in 1957. They are used to break down a natural lan ...

or rewrite rule, used in some theories of linguistics * "Rule ''X''" elementary cellular automaton, where X is a number between 0-255 characterizing a specific model (e.g. ''Rule 110'') *

Ruler A ruler, sometimes called a rule, line gauge, or scale, is a device used in geometry and technical drawing, as well as the engineering and construction industries, to measure distances or draw straight lines. Variants Rulers have long ...

, or "rule"; a distance measuring device * Phonological rule *

Social norm Social norms are shared standards of acceptable behavior by groups. Social norms can both be informal understandings that govern the behavior of members of a society, as well as be codified into rules and laws. Social normative influences or soci ...

, explicit or implicit rules used within society or by a group

Law and government

* Advance tax ruling, a tool for conforming taxation arrangements *

Court order A court order is an official proclamation by a judge (or panel of judges) that defines the legal relationships between the parties to a hearing, a trial, an appeal or other court proceedings. Such ruling requires or authorizes the carrying out ...

, a decision by a court *

Government A government is the system or group of people governing an organized community, generally a state. In the case of its broad associative definition, government normally consists of legislature, executive, and judiciary. Government i ...

* In

rulemaking In administrative law, rulemaking is the process that executive and independent agencies use to create, or ''promulgate'', regulations. In general, legislatures first set broad policy mandates by passing statutes, then agencies create more deta ...

by the federal government of the United States, a regulation mandated by Congress, but written or expanded upon by the executive branch * Law, which may informally be called a "rule" * Military rule, governance by a military body * Monastic rule, a collection of precepts that guides the life of monks or nuns in a religious order * Procedural law, a ruleset governing the application of laws to cases *

Rule of law The rule of law is the political philosophy that all citizens and institutions within a country, state, or community are accountable to the same laws, including lawmakers and leaders. The rule of law is defined in the ''Encyclopedia Britannic ...

, government based not on arbitrary decisions of officials but on laws

Geography

* Rule, Arkansas * Rule, Texas

Literature

* '' The Rules'', bestselling self-help book * ''Rules'' (novel), 2007 Newbery Honor book by Cynthia Lord * " The Rulers", a science fiction short story by A. E. van Vogt

Music

* Ja Rule (born 1976), hip hop artist

Albums

* ''

R.U.L.E. ''R.U.L.E.'' is the sixth studio album by American rapper Ja Rule; it was released on November 9, 2004, by The Inc. and Island Def Jam Music Group. The album debuted at number 7 on the U.S. ''Billboard'' 200 chart, selling 165,000 units in its ...

'', by Ja Rule, 2004 * ''Rule'', by

Anna Tsuchiya is a Japanese singer, actress and semi-retired model. Since 2005, she is primarily known as a singer.Oricon pr ...

, 2010 * ''Rules'' (album), by the Whitest Boy Alive, 2009 * ''Rules'', by

First Blood ''First Blood'' (also known as ''Rambo: First Blood'') is a 1982 American action film directed by Ted Kotcheff, and co-written by Sylvester Stallone, who also stars as Vietnam War veteran John Rambo. It co-stars Richard Crenna as Rambo's ment ...

, 2017 * ''Rules!'', by Manila Luzon, 2019

Songs

* "Rule" (Nas song), 2001 * "Rule"/"Sparkle", a double A-side by Ayumi Hamasaki, 2009 * "Rule", by X Ambassadors from '' Orion'', 2019 * "Rules" (Doja Cat song), 2019 * "Rules" (KMFDM song), 1996 * "Rules", by Shakira from '' Laundry Service'', 2001

Other uses

* Rule (surname) * ''The Rule'' (film), a 2014 American documentary * ''Ruler'' (film), a 2019 Telugu-language film * '' Rules: Pyaar Ka Superhit Formula'', a 2003 Bollywood film * rule: a snippet of code which can perform email filtering *

Rule (horse) Rule (foaled January 13, 2007) is an American thoroughbred racehorse, winner of the 2012 Monmouth Cup Stakes. At his retirement in 2012, he had a record of 6–2–6 from twenty starts. Background Rule was sired by Roman Ruler and his dam was ...

(born 2007), American racehorse *

Rules (restaurant) Rules is a London restaurant on Maiden Lane in Covent Garden. Rules was founded in 1798 by Thomas Rule, and describes itself as London's oldest restaurant. History Rules was opened by Thomas Rule in 1798, primarily as an oyster bar but ser ...

, upscale English restaurant in London * '' Rules!'', a 2014 iOS video game * "Rule #1" (''Batwoman'') * Rule (Bosnia and Herzegovina), political party