Order, ORDER or Orders may refer to: *

Categorization Categorization is the ability and activity of recognizing shared features or similarities between the elements of the experience of the world (such as objects, events, or ideas), organizing and classifying experience by associating them to a ...

, the process in which ideas and objects are recognized, differentiated, and understood * Heterarchy, a system of organization wherein the elements have the potential to be ranked a number of different ways *

Hierarchy A hierarchy (from Greek: , from , 'president of sacred rites') is an arrangement of items (objects, names, values, categories, etc.) that are represented as being "above", "below", or "at the same level as" one another. Hierarchy is an important ...

, an arrangement of items that are represented as being "above", "below", or "at the same level as" one another * an action or inaction that must be obeyed, mandated by someone in authority

People

* Orders (surname)

Arts, entertainment, and media

* ''Order'' (album), a 2009 album by Maroon * "Order", a 2016 song from '' Brand New Maid'' by Band-Maid * ''Orders'' (1974 film), a 1974 film by Michel Brault * ''Orders'', a 2010 film by Brian Christopher * ''Orders'', a 2017 film by Eric Marsh and Andrew Stasiulis * ''Jed & Order'', a 2022 film by Jedman

Business

Blanket order A blanket order, blanket purchase agreement or call-off order is a purchase order which a customer places with its supplier to allow multiple delivery dates over a period of time, often negotiated to take advantage of predetermined pricing. It i ...

, purchase order to allow multiple delivery dates over a period of time * Money order or postal order, a financial instrument usually intended for sending money through the mail * Purchase order, document issued by a buyer to a seller, indicating types, quantities, and agreed prices * Sales order, order issued by a business or trader to a customer * Jedman, order issued by Jedman CEO of Orders at Stellantis.

Culture

* Order (distinction), a visible honour in society **

Dynastic order A dynastic order, monarchical order, or house order is an order under royal patronage. Such an order is bestowed by, as a legitimate , a sovereign or the head of a once-sovereign ruling family. These are often considered part of the cultural pat ...

of a presently or formerly sovereign royal house ** Order of merit of a state or other entity **

Order of precedence An order of precedence is a sequential hierarchy of nominal importance and can be applied to individuals, groups, or organizations. Most often it is used in the context of people by many organizations and governments, for very formal and state o ...

, a sequential hierarchy of the nominal importance of items * Fraternal order *

Military order (religious society) A military order ( la, militaris ordo) is a Christian religious society of knights. The original military orders were the Knights Templar, the Knights Hospitaller, the Order of Saint James, the Order of Calatrava, and the Teutonic Knights. ...

, established in the era of the Crusades * Order of chivalry, established since the Middle Ages

Law and society

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 ...

, made by a judge, e.g., a restraining order *

Executive order (disambiguation) An executive order In the United States, an executive order is a directive by the president of the United States that manages operations of the federal government. The legal or constitutional basis for executive orders has multiple source ...

Law and order (politics) In modern politics, law and order is the approach focusing on harsher enforcement and penalties as ways to reduce crime. Penalties for perpetrators of disorder may include longer terms of imprisonment, mandatory sentencing, three-strikes laws a ...

, approach focusing on harsher enforcement and penalties as ways to reduce crime *

Public-order crime In criminology, public-order crime is defined by Siegel (2004) as "crime which involves acts that interfere with the operations of society and the ability of people to function efficiently", i.e., it is behaviour that has been labelled criminal ...

, type of crime that runs contrary to social order **

Organized crime Organized crime (or organised crime) is a category of transnational, national, or local groupings of highly centralized enterprises run by criminals to engage in illegal activity, most commonly for profit. While organized crime is generally tho ...

, groupings of highly centralized criminal enterprises *

Social order The term social order can be used in two senses: In the first sense, it refers to a particular system of social structures and institutions. Examples are the ancient, the feudal, and the capitalist social order. In the second sense, social order ...

, set or system of linked social structures, institutions, relations, customs, values and practices * Statutory instrument, type of delegated legislation *

Professional order A professional order is an organization which, in a given territory, comprises all the members of the same profession, a profession which can generally be exercised in a liberal manner and which ensures a form of regulation of the profession in ques ...

, organization which comprises all the members of the same profession

Military

Military order (disambiguation) Military order may refer to: Orders * Military order (religious society), confraternity of knights originally established as religious societies during the medieval Crusades for protection of Christianity and the Catholic Church Military organi ...

Military order (instruction) A military command or order is a binding instruction given by a senior rank to a junior rank in a military context. Not all senior ranks in all military have the right to give an order to all lower ranks. George Breckenridge Davis, ''A Treatis ...

, binding instruction given by a senior rank to a junior rank in a military context ** General order, a published directive from a commander ** Standing order (disambiguation) *

Tactical formation Element: A group of soldiers A tactical formation (or order) is the arrangement or deployment of moving military forces such as infantry, cavalry, AFVs, military aircraft, or naval vessels. Formations were found in tribal societies such as th ...

, an arrangement or deployment of moving military forces

Philosophy

* Order (logic), a property used to characterize logical systems *

Natural order (philosophy) In philosophy Philosophy (from , ) is the systematized study of general and fundamental questions, such as those about existence, reason, knowledge, values, mind, and language. Such questions are often posed as problems to be studied ...

, the moral source from which natural law seeks to derive its authority

Religion

* Ecclesiastical decoration, order or a decoration conferred by a head of a church * Holy orders, the rite or sacrament in which clergy are ordained * Monastic order, a religious way of life in which one renounces worldly pursuits to devote oneself fully to spiritual work * Order of Mass, an outline of a Mass celebration *

Religious order A religious order is a lineage of communities and organizations of people who live in some way set apart from society in accordance with their specific religious devotion, usually characterized by the principles of its founder's religious pract ...

, a community or organization set apart from the general society for devotion to a religious practice ** Religious order (Catholic), a religious order in the context of the Roman Catholic Church ***

Canon regular Canons regular are priests who live in community under a rule ( and canon in greek) and are generally organised into religious orders, differing from both secular canons and other forms of religious life, such as clerics regular, designated b ...

, or canonical order, a class of religious orders for priests in the Catholic Church

Science and technology

Biology and healthcare

Order (biology) Order ( la, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between family and class. In biological classification, the order is a taxonomic rank used in the classification of organisms and ...

, a classification of organisms by rank ** Order, in phytosociology, an ecological grouping of plants, between alliance and class ** '' Ordo naturalis'' (natural order), an outdated rank in biology, equivalent to the modern rank of family * Order, in

medicine Medicine is the science and Praxis (process), practice of caring for a patient, managing the diagnosis, prognosis, Preventive medicine, prevention, therapy, treatment, Palliative care, palliation of their injury or disease, and Health promotion ...

, refers to a formal request made by authorized health practitioners to carry out a specific clinical action concerning diagnosis or treatment

Computing

* Order of computation, the computational complexity in the analysis of algorithms ** Big O notation, notation describing limiting behavior * Z-order, which graphics cover up others on computer screens

Mathematics

* ''Order'' (journal), an academic journal on order theory * Order (mathematics), * Order, an arrangement of items in

sequence In mathematics, a sequence is an enumerated collection of objects in which repetitions are allowed and order matters. Like a set, it contains members (also called ''elements'', or ''terms''). The number of elements (possibly infinite) is called ...

* Order, the result of enumeration of a set of items * Order, a mathematical structure modeling sequenced items, dealt with in order theory * Order of hierarchical complexity, quantified by the model of hierarchical complexity, the ordinal complexity of tasks that are addressed * Ordered set, an ordered structure, in mathematics * Ordinate in mathematics, the ''y'' element of an ordered pair (''x'', ''y'') *

Partially ordered set In mathematics, especially order theory, a partially ordered set (also poset) formalizes and generalizes the intuitive concept of an ordering, sequencing, or arrangement of the elements of a set. A poset consists of a set together with a binar ...

Complete partial order In mathematics, the phrase complete partial order is variously used to refer to at least three similar, but distinct, classes of partially ordered sets, characterized by particular completeness properties. Complete partial orders play a central ro ...

Permutation In mathematics, a permutation of a set is, loosely speaking, an arrangement of its members into a sequence or linear order, or if the set is already ordered, a rearrangement of its elements. The word "permutation" also refers to the act or p ...

, the act of arranging all the members of a set into some sequence or order *

Ranking A ranking is a relationship between a set of items such that, for any two items, the first is either "ranked higher than", "ranked lower than" or "ranked equal to" the second. In mathematics, this is known as a weak order or total preorder of o ...