From Wikipedia, the free encyclopedia

Order, ORDER or Orders may refer to:

  • A socio-political and natural or existing system
  • Categorization, 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, 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


Arts, entertainment, and media[edit]

  • Order (album), a 2009 album by Maroon
  • "Order", a 2016 song from Brand New Maid by Band-Maid
  • Orders (1974 film), a 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


  • Blanket order, a 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, a document issued by a buyer to a seller, indicating types, quantities, and agreed prices
  • Sales order, an order issued by a business or trader to a customer

Exclusive organisations[edit]

Legal and political terminology[edit]




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

Science and technology[edit]

Biology and healthcare[edit]

  • Order (biology), 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    • Ordo naturalis (natural order), an outdated rank in biology, equivalent to the modern rank of family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, refers to a formal request made by authorized health practitioners to carry out a specific clinical action concerning diagnosis or treatment




Signal processing[edit]

  • First-order hold, mathematical model of the practical reconstruction of sampled signals
  • Modulation order, 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[edit]

See also[edit]