# Order > Mediated Wiki article. Canonical URL: https://mediated.wiki/source/Order > Markdown URL: https://mediated.wiki/source/Order.md > Source: https://en.wikipedia.org/wiki/Order > Source revision: 1355218820 > License: Creative Commons Attribution-ShareAlike 4.0 International (https://creativecommons.org/licenses/by-sa/4.0/) **Order**, **ORDER** or **Orders** may refer to: - A socio-political or established or existing order, e.g. [World order](/source/World_order), [Ancien Regime](/source/Ancien_Regime), [Pax Britannica](/source/Pax_Britannica) - [Categorization](/source/Categorization), the process in which ideas and objects are recognized, differentiated, and understood - [Heterarchy](/source/Heterarchy), a system of organization wherein the elements have the potential to be ranked a number of different ways - [Hierarchy](/source/Hierarchy), 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](/source/Authority) ## People - [Orders (surname)](/source/Orders_(surname)) ## Arts, entertainment, and media - [*Order* (film)](/source/Order_(film)), a 2005 Russian film - [*Order* (album)](/source/Order_(album)), a 2009 album by Maroon - "Order", a 2016 song from *[Brand New Maid](/source/Brand_New_Maid)* by Band-Maid - [*Orders* (1974 film)](/source/Orders_(1974_film)), a film by Michel Brault - ["Orders" (*Star Wars: The Clone Wars*)](/source/Orders_(Star_Wars:_The_Clone_Wars)) ## Business - [Order (business)](/source/Order_(business)), a buyer's intention to obtain goods and services from a seller - [Blanket order](/source/Blanket_order), a purchase order to allow multiple delivery dates over a period of time - [Money order](/source/Money_order) or postal order, a financial instrument usually intended for sending money through the mail - [Purchase order](/source/Purchase_order), a document issued by a buyer to a seller, indicating types, quantities, and agreed prices - [Sales order](/source/Sales_order), an order issued by a business or trader to a customer ## Exclusive organisations - [Order (distinction)](/source/Order_(distinction)), a visible honour in society - [Dynastic order](/source/Dynastic_order) of a presently or formerly sovereign royal house - [National order](/source/National_order) of a sovereign state - [Order of merit](/source/Order_of_merit) of a state or other entity - [Order of precedence](/source/Order_of_precedence), a sequential hierarchy of the nominal importance of items - [Fraternal order](/source/Fraternal_order) - [Military order (religious society)](/source/Military_order_(religious_society)), established in the era of the Crusades - [Order of chivalry](/source/Order_of_chivalry), established since the Middle Ages ## Legal and political terminology - [Court order](/source/Court_order), made by a judge, e.g., a restraining order - [Compulsory purchase order](/source/Compulsory_purchase_order), allowing certain public bodies to acquire land or property without the consent of the owner - [Executive order (disambiguation)](/source/Executive_order_(disambiguation)) - [Law and order (politics)](/source/Law_and_order_(politics)), approach focusing on harsher enforcement and penalties as ways to reduce crime - [Public-order crime](/source/Public-order_crime), type of crime that runs contrary to social order - [Organized crime](/source/Organized_crime), groupings of highly centralized criminal enterprises - [Social order](/source/Social_order), set or system of linked social structures, institutions, relations, customs, values and practices - [Statutory instrument](/source/Statutory_instrument), type of delegated legislation - [Professional order](/source/Professional_order), organization which comprises all the members of the same profession ## Military - [Military order (disambiguation)](/source/Military_order_(disambiguation)) - [Military order (instruction)](/source/Military_order_(instruction)), binding instruction given by a senior rank to a junior rank in a military context - [General order](/source/General_order), a published directive from a commander - [Standing order (disambiguation)](/source/Standing_order_(disambiguation)) - An [order of chivalry](/source/Order_of_chivalry), if membership is conferred on military personnel as a result of valorous, exemplary or distinguished service - [Tactical formation](/source/Tactical_formation), an arrangement or deployment of moving military forces ## Philosophy - [Great order of being](/source/Great_chain_of_being), a mediaeval Christian conceptualisation of the physical world - [Order (logic)](/source/Higher-order_logic#Quantification_scope), a property used to characterize logical systems - [Natural order (philosophy)](/source/Natural_order_(philosophy)), the moral source from which natural law seeks to derive its authority ## Religion - [Orange Order](/source/Orange_Order), Protestant fraternal organization in Northern Ireland, includes the [Canadian Orange Order](/source/Canadian_Orange_Order), [African Orange Order](/source/African_Orange_Order) and [Scottish Orange Order](/source/Scottish_Orange_Order) - [Ecclesiastical decoration](/source/Ecclesiastical_decoration), order or a decoration conferred by a head of a church - [Holy orders](/source/Holy_orders), the rite or sacrament in which clergy are ordained - [Monastic order](/source/Monastic_order), a religious way of life in which one renounces worldly pursuits to devote oneself fully to spiritual work - [Order of Mass](/source/Order_of_Mass), an outline of a Mass celebration - [Religious order](/source/Religious_order), a community or organization set apart from the general society for devotion to a religious practice - [Religious order (Catholic)](/source/Religious_order_(Catholic)), a religious order in the context of the Roman Catholic Church - [Canon regular](/source/Canon_regular), or canonical order, a class of religious orders for priests in the Catholic Church ## Science and technology ### Biology and healthcare - [Order (taxonomy)](/source/Order_(taxonomy)), a taxonomic classification of organisms by rank - Order, in [phytosociology](/source/Phytosociology), an ecological grouping of plants, between alliance and class - *[Ordo naturalis](/source/Ordo_naturalis)* (natural order), an outdated rank in biology, equivalent to the modern rank of family - Order, in [medicine](/source/Medicine), 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](/source/Analysis_of_algorithms) - [Big O notation](/source/Big_O_notation), notation describing limiting behavior - [Z-order](/source/Z-order), which graphics cover up others on computer screens ### Mathematics Main article: [Order (mathematics)](/source/Order_(mathematics)) - [*Order* (journal)](/source/Order_(journal)), an academic journal on order theory - Order, an arrangement of items in [sequence](/source/Sequence) - Order, the result of [enumeration](/source/Enumeration) of a set of items - Order, a mathematical structure modeling sequenced items, dealt with in [order theory](/source/Order_theory) - Order of hierarchical complexity, quantified by the [model of hierarchical complexity](/source/Model_of_hierarchical_complexity), the ordinal complexity of tasks that are addressed - Ordered set, an [ordered structure](/source/List_of_order_structures_in_mathematics), in mathematics - [Order (ring theory)](/source/Order_(ring_theory)), concept in algebraic number theory - [Ordinate](/source/Ordinate) in mathematics, the *y* element of an ordered pair (*x*, *y*) - [Partially ordered set](/source/Partially_ordered_set) - [Complete partial order](/source/Complete_partial_order) - [Permutation](/source/Permutation), the act of arranging all the members of a set into some sequence or order - [Ranking](/source/Ranking) - [Stochastic ordering](/source/Stochastic_ordering) of random variables or probability distributions ### Physics - [Implicate and explicate order](/source/Implicate_and_explicate_order), ontological concepts for quantum theory - [Order and disorder (physics)](/source/Order_and_disorder_(physics)), measured by an order parameter or more generally by entropy - Order, optics, the category number of lighthouse [Fresnel lenses](/source/Fresnel_lens), defining size and focal length - [Topological order](/source/Topological_order) in quantum mechanics, an organized quantum state ### Signal processing - [First-order hold](/source/First-order_hold), mathematical model of the practical reconstruction of sampled signals - Polynomial order, of a [filter](/source/Filter_(signal_processing)) transfer function ### Other uses in science and technology - [*ORDER* (spacecraft)](/source/ORDER_(spacecraft)), a space debris removal transport satellite - [Order (mouldings)](/source/Order_(mouldings)), each of a series of recessed arches and supports around a doorway or similar feature - [Classical order](/source/Classical_order), architectonic orders in architecture - [Collation](/source/Collation), the ordering of information - [Alphabetical order](/source/Alphabetical_order), the ordering of letters - [Order of reaction](/source/Order_of_reaction), a concept of chemical kinetics - [Spontaneous order](/source/Spontaneous_order), the natural emergence of structure in systems - [Stream order](/source/Stream_order), used to define river networks based on a hierarchy of tributaries ## See also - [Chaos (disambiguation)](/source/Chaos_(disambiguation)) - [Classification](/source/Classification) - [Coordination (disambiguation)](/source/Coordination_(disambiguation)) - [Disorder (disambiguation)](/source/Disorder_(disambiguation)) - [Ordinal (disambiguation)](/source/Ordinal_(disambiguation)) - [Organization (disambiguation)](/source/Organization_(disambiguation)) - [Structure (disambiguation)](/source/Structure_(disambiguation)) --- Adapted from the Wikipedia article [Order](https://en.wikipedia.org/wiki/Order) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Order?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.