Monastic order, established since circa 300 AD

Graph order, the number of nodes in a graph [1]

Tariqa or Sufi Order

Order theory, which studies various binary relations known as orders

In general religious use, ordination is the process by which one is consecrated (set apart for the undivided administration of various religious rites). That is, it is the process in which clergy, monks or nuns are set apart and authorized by their...

Glossary of graph theory

An order parameter in physics has value 1 for complete order and value 0 for complete disorder

Ordinal summary and related information.

Holy Orders, the rite or sacrament in which clergy are ordained

Order of hierarchical complexity, the ordinal complexity of tasks that are addressed

Ordinate summary and related information.

Glossary of order theory

Implicate and Explicate Order according to David Bohm

Order of degrees in the Elliott wave principle

Collating order, sequence for text, such as alphabetical

Architectonic orders: see classical order

Social order, a concept used in sociology, history and other social sciences

Subordinate summary and related information.

Partially ordered set, or poset

A way of categorizing the size of lighthouse Fresnel lenses

Money order

Religious Order

Order (exchange), customer's instruction to a stock broker

Chivalric order, established since the 14th century

Order, or degree of a polynomial

Orders of magnitude, a class of scale or magnitude of any amount

Military order, established in the crusades

Order of Rényi dimensions

Order in the Josephus permutation

Coordination is the act of coordinating, making different people or things work together for a goal or effect. Coordination may also refer...

Order (business), an instruction from a customer to buy

Order (decoration), medal or award

Order of extension in Lakes of Wada

Order (chemistry), a concept of chemical kinetics

Order (organization), an organization of people united by a common fraternal bond or social aim.

Fraternal order

General order, a published directive from a commander

Law and order (politics)

Order (biology), a rank between class and family, or a taxon at that rank

Z-order on computer screens

List of order topics in mathematics

Orders (film), a 1974 film by Michel Brault

Long-range aperiodic order, in for instance Pinwheel tiling

Public order, a concept in urban planning

Order in Ring theory, a kind of an algebraic structure

Orders of construction in the Pythagoras tree

Complexor, or complex order in fractals

Weak order of permutations

The Order (disambiguation)

Order (crystal lattice) an arrangement of composition, spin, magnetism, etc. in a crystal lattice.

Dense order

Order in Number theory

Canonical order, the order of elements that obeys a certain set of rules or specifications

Standing order, a general order of indefinite duration, and similar ongoing rules in a parliament

Order (information processing), a measure of the number of objects or sub-systems in a system

Executive order, issued by the executive branch of government

A Cardassian military unit in the fictional Star Trek universe

Court order, made by a judge; a restraining order, for example, is a type of injunction

World order, including the concept of a world government

The contrary of chaos, disorder (in the sense of randomness), or entropy

Orders of approximation in Big O notation

Ordered set, a permutation, bijection or cyclic order

Un-ordered subset, or combination

Ordered list, a tuple or sequence

Multiplicative order in modular arithmetic

Z-order space-filling curve

Ordered pair, including undirected and directed graphs

Ordered triple, or mixed graph

Order in Group theory, the cardinality of a group

Order in Ramsey theory, uniform structures in consequence to critical set cardinality

Total order, including the complete ordered field of real numbers

Type theory encompasses first, second and higher-order logic

Order is a description of complexity or scalability in computational complexity theory and Big O notation.

ORDER BY clause in SQL

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

Way of categorizing Electronic filters by steepness, see Filter design and Elliptic filter