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 Object (philosophy), objects, events, or ideas), organizing and classifying experience by 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 In the fields of sociology and political science, authority is the legitimate power of a person or group over other people. In a civil state, ''authority'' is practiced in ways such a judicial branch or an executive branch of government.''The N ...

People

Orders (surname) Orders is a surname. Etymology The etymology of 'Orders' is unclear, although there are records extant dating the surname in its current spelling back to the 17th century in the Warminster region of Wiltshire and the 16th century in Cambridgeshire, ...

Arts, entertainment, and media

* ''Order'' (album), a 2009 album by Maroon * "Order", a 2016 song from ''

Brand New Maid ''Brand New Maid'' is the third studio album by Japanese all-female rock band Band-Maid. It was released on May 18, 2016, and was their first album to be released internationally. Music videos were made for "The Non-Fiction Days," "Before Yesterda ...

'' 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 ...

, purchase order to allow multiple delivery dates over a period of time *

Money order A money order is a directive to pay a pre-specified amount of money from prepaid funds, making it a more trusted method of payment than a cheque. History The money order system was established by a private firm in Great Britain in 1792 and was ...

or postal order, a financial instrument usually intended for sending money through the mail *

Purchase order A purchase order is a commercial document and first official offer issued by a buyer to a seller, indicating types, quantities, and agreed prices for products or services. It is used to control the purchasing of products and services from externa ...

, document issued by a buyer to a seller, indicating types, quantities, and agreed prices *

Sales order {{unref, date=December 2018 The sales order, sometimes abbreviated as SO, is an order issued by a business or sole trader to a customer. A sales order may be for products and/or services. Given the wide variety of businesses, this means that the o ...

, 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 ...

of a presently or formerly sovereign royal house **

Order of merit The Order of Merit (french: link=no, Ordre du Mérite) is an order of merit for the Commonwealth realms, recognising distinguished service in the armed forces, science, art, literature, or for the promotion of culture. Established in 1902 by K ...

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 A fraternal order is a fraternity organised as an order, with traits alluding to religious, chivalric or pseudo-chivalric orders, guilds, or secret societies. Contemporary fraternal orders typically have secular purposes, including social, cult ...

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

, established in the era of the Crusades *

Order of chivalry An order of chivalry, order of knighthood, chivalric order, or equestrian order is an order (distinction), order of knights, typically founded during or inspired by the original Catholic Military order (religious society), military orders of the ...

, 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 o ...

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

Executive order (disambiguation) An executive order is a directive issued by the President of the United States. Executive order may also refer to: *Executive order (Philippines), a directive issued by the President of the Philippines *List of United States federal executive orde ...

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 th ...

, 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 In many countries, a statutory instrument is a form of delegated legislation. United Kingdom Statutory instruments are the principal form of delegated or secondary legislation in the United Kingdom. National government 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 organ ...

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 Treatise ...

, binding instruction given by a senior rank to a junior rank in a military context **

General order A general order, in military and paramilitary organizations, is a published directive, originated by a commander and binding upon all personnel under his or her command. Its purpose is to enforce a policy or procedure unique to the unit's situatio ...

, a published directive from a commander **

Standing order (disambiguation) Standing order or standing orders may refer to: * Standing order (banking) (or ''banker's order''), instruction to a bank to pay a set amount at regular intervals from one account to another * Permanent rules of order governing parliamentary proce ...

* Tactical formation, an arrangement or deployment of moving military forces

Philosophy

Order (logic) In mathematics and logic, a higher-order logic is a form of predicate logic that is distinguished from first-order logic by additional Quantification (logic), quantifiers and, sometimes, stronger semantics of logic, semantics. Higher-order logics w ...

, a property used to characterize logical systems * Natural order (philosophy), 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 Monasticism (from Ancient Greek , , from , , 'alone'), also referred to as monachism, or monkhood, is a religious way of life in which one renounces worldly pursuits to devote oneself fully to spiritual work. Monastic life plays an important role ...

, a religious way of life in which one renounces worldly pursuits to devote oneself fully to spiritual work *

Order of Mass Order of Mass is an outline of a Mass celebration, describing how and in what order liturgical texts and rituals are employed to constitute a Mass. The expression Order of Mass is particularly tied to the Roman Rite where the sections under that ...

, 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 practi ...

, a community or organization set apart from the general society for devotion to a religious practice **

Religious order (Catholic) In the Catholic Church, a religious order is a community of consecrated life with members that profess solemn vows. They are classed as a type of religious institute. Subcategories of religious orders are: * canons regular (canons and canoness ...

, 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 by a ...

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

Science and technology

Biology and healthcare

Order (biology) Order ( la, wikt:ordo#Latin, ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy. It is classified between Family_(biology), family and Class_(biology), class. In biological classification, the order is a taxonomi ...

, a classification of organisms by rank ** Order, in phytosociology, an ecological grouping of plants, between alliance and class ** ''

Ordo naturalis In botany, the phrase ''ordo naturalis'', 'natural order', was once used for what today is a family. Its origins lie with Carl Linnaeus who used the phrase when he referred to natural groups of plants in his lesser-known work, particularly ''Philo ...

'' (natural order), an outdated rank in biology, equivalent to the modern rank of family * Order, in

medicine Medicine is the science and practice of caring for a patient, managing the diagnosis, prognosis, prevention, treatment, palliation of their injury or disease, and promoting their health. Medicine encompasses a variety of health care pract ...

, 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 In computer science, the analysis of algorithms is the process of finding the computational complexity of algorithms—the amount of time, storage, or other resources needed to execute them. Usually, this involves determining a function that re ...

Big O notation Big ''O'' notation is a mathematical notation that describes the limiting behavior of a function when the argument tends towards a particular value or infinity. Big O is a member of a family of notations invented by Paul Bachmann, Edmund Lan ...

, notation describing limiting behavior *

Z-order Z-order is an ordering of overlapping two-dimensional objects, such as windows in a stacking window manager, shapes in a vector graphics editor, or objects in a 3D application.Foley, James, Andries van Dam, Steven Feiner, and John Hughes. "Comput ...

, which graphics cover up others on computer screens

Mathematics

* ''Order'' (journal), an academic journal on order theory *

Order (mathematics) Order in mathematics may refer to: Set theory * Total order and partial order, a binary relation generalizing the usual ordering of numbers and of words in a dictionary * Ordered set * Order in Ramsey theory, uniform structures in consequence to ...

, * 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 calle ...

* Order, the result of enumeration of a set of items * Order, a mathematical structure modeling sequenced items, dealt with in

order theory Order theory is a branch of mathematics that investigates the intuitive notion of order using binary relations. It provides a formal framework for describing statements such as "this is less than that" or "this precedes that". This article intr ...

* Order of hierarchical complexity, quantified by the

model of hierarchical complexity The model of hierarchical complexity (MHC) is a framework for scoring how complex a behavior is, such as verbal reasoning or other cognitive tasks. It quantifies the order of hierarchical complexity of a task based on mathematical principles of how ...

, 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 (mathematics), set. A poset consists of a set toget ...

** Complete partial order *

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 proc ...

, 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 ...

* Stochastic ordering of random variables or probability distributions

Physics

Implicate and explicate order Implicate order and explicate order are ontological concepts for quantum theory coined by theoretical physicist David Bohm during the early 1980s. They are used to describe two different frameworks for understanding the same phenomenon or aspect of ...

, ontological concepts for quantum theory *

Order and disorder (physics) In physics, the terms order and disorder designate the presence or absence of some symmetry or correlation in a many-particle system. In condensed matter physics, systems typically are ordered at low temperatures; upon heating, they undergo one o ...

, measured by an order parameter or more generally by entropy * Order, optics, the category number of lighthouse Fresnel lenses, defining size and focal length * Topological order in quantum mechanics, an organized quantum state

Signal processing

First-order hold First-order hold (FOH) is a mathematical model of the practical reconstruction of sampled signals that could be done by a conventional digital-to-analog converter (DAC) and an analog circuit called an integrator. For FOH, the signal is reconstructe ...

, mathematical model of the practical reconstruction of sampled signals *

Modulation order The modulation order of a digital communication scheme is determined by the number of the different symbols that can be transmitted using it. Modulation order can only be defined for digital modulations. The simplest forms of digital modulation ar ...

, the number of different symbols that can be sent using a given modulation * Polynomial order, of a filter transfer function

Other uses in science and technology

* ''ORDER'' (spacecraft), a space debris removal transport satellite *

Order (mouldings) An order refers to each of a series of mouldings most often found in Romanesque and Gothic arches An arch is a vertical curved structure that spans an elevated space and may or may not support the weight above it, or in case of a horiz ...

, each of a series of recessed arches and supports around a doorway or similar feature *

Classical order An order in architecture is a certain assemblage of parts subject to uniform established proportions, regulated by the office that each part has to perform. Coming down to the present from Ancient Greek and Ancient Roman civilization, the arch ...

, architectonic orders in architecture * Collation, the ordering of information ** Alphabetical order, the ordering of letters * Order of reaction, a concept of chemical kinetics *

Stream order The stream order or waterbody order is a positive whole number used in geomorphology and hydrology to indicate the level of branching in a river system. There are various approachesKoschitzki, 2.3, pp. 12ff to the topological ordering of riv ...

, used to define river networks based on a hierarchy of tributaries