Order

Order has many meanings or uses:

Religious
 Holy orders are the rites or sacraments in which priests are ordained
 Religious order, a group of people that live together, and share some ideals

Honors
 Order (decoration), an award or medal

Legal and military
 Court order, made by a judge
 Executive order, issued by the executive branch of government
 General order, a published directive from a commander
 Standing order, a general order of unset duration, and similar ongoing rules in a parliament
 Direct order

In scientific classification
 Order (physics), the opposite of chaos or disorder (in the sense of randomness), or entropy
 Order (biology), a rank between class and family, or a taxon at that rank
 Order (chemistry), a concept of chemical kinetics
 Social order, a concept used in sociology, history and other social sciences. May mean lawfulness, but more often means class structure.

In mathematics
 Order (group theory), the cardinality of a group
 Order theory, a branch of mathematics that studies many different kinds of binary relations called orders
 Order (ring theory), a kind of an algebraic structure
 Orders of approximation, Big O notation
 Order of magnitude, a class of scale or magnitude of any amount
 Order, or degree of a polynomial

In computer science
 Canonical order, the order of elements that follows a certain rules or specifications

In telecommunications
 Modulation order, the number of different symbols that can be sent using a given modulation

Other uses
 Collating order, sequence for text, such as alphabetical
 Order (business), an instruction from a customer to buy
 Order (exchange), customer's instruction to a financial entity for a financial transaction
 Order (information processing), a measure of the number of objects or sub-systems in a system
 Order (organization), an organization of people united by a common fraternal bond or social aim.
 Architectonic orders
 Way of categorizing Electronic filters by steepness
 Way of categorizing the size of lighthouse Fresnel lenses
 "The Order"
 Order (food), a customer's choice of food at a restaurant or for delivery

Category:Basic English 850 words