Order

• Order is the opposite of anarchy and chaos. It is often used in the phrase law and order.
• Legal and military meanings
  • Court order
  • Executive order
  • General order
  • Standing order
  • Direct order
• Scientific meanings
  • Order (biology)
  • Order of reaction
  • In computing, canonical order
  • In information processing, order is a measure of the number of objects or sub-systems in a system as seen by an observer.
• Mathematical meanings
• In a sequence, one item comes first, another second, another third, etc.; these ordinal numbers specify the order in which the items appear. Hence the next meaning of this word:
  • Order of an ordered set; see also order theory, total order, total preorder and partial order
  • Order of a group or its elements. See order (group theory).
    • Order of an element in some modulus, see multiplicative order
  • Order of a differential equation
  • Big O notation (mathematical), aka the order of an algorithm
  • Orders of magnitude are factors of ten
• Computer science meanings
  • Order (schema) The number of defining symbols in a schema.
• Miscellaneous meanings
  • Order (philosophy)
  • Order (business)
  • Order (religious)
  • Holy Orders
  • Order (military)
  • Architectonic orders: see classical order
  • Ordered sets of pitches or pitch classes such as a tone row, see the mathematical meaning above.
  • Order (decoration)
  • Order may be part of the formal title of certain clubs and groups, such as in the Order of Skull and Bones.
• "The Order"
  • The Order (AKA Bruders Schweigen or Silent Brotherhood) was an American revolutionary National Socialist group.
  • The Order is a 2003 film.

See also: Order, 2003, Algorithm, Anarchy, Big O notation, Canonical order, Chaos, Classical order, Computing