Support may refer to:

Arts, entertainment, and media

Support (art) In visual arts, the support is a solid surface onto which the painting is placed, typically a canvas or a panel. Support is technically distinct from the overlaying ground, but sometimes the latter term is used in a broad sense of "support" to ...

, a solid surface upon which a painting is executed

Business and finance

* Support (technical analysis) *

Child support Child support (or child maintenance) is an ongoing, periodic payment made by a parent for the financial benefit of a child (state or parent, caregiver, guardian) following the end of a marriage or other similar relationship. Child maintenance is ...

Customer support Customer support is a range of services to assist customers in making cost effective and correct use of a product. It includes assistance in planning, installation, training, troubleshooting, maintenance, upgrading, and disposal of a product. Rega ...

* Income Support

Construction

* Support (structure), or lateral support, a type of structural support to help prevent sideways movement * Structural support, architectural components that include arches, beams, columns, balconies, and stretchers

Law and politics

Advocacy Advocacy is an Action (philosophy), activity by an individual or advocacy group, group that aims to influence decision making, decisions within political, economic, and social institutions. Advocacy includes activities and publications to infl ...

, in politics, support for constituencies, issues, or legislation * Lateral and subjacent support, a legal term

Mathematics

Mathematics (generally)

Support (mathematics) In mathematics, the support of a real-valued function f is the subset of the function domain of elements that are not mapped to zero. If the domain of f is a topological space, then the support of f is instead defined as the smallest closed s ...

, subset of the domain of a function where it is non-zero valued * Support (measure theory), a subset of a measurable space *

Supporting hyperplane In geometry, a supporting hyperplane of a Set (mathematics), set S in Euclidean space \mathbb R^n is a hyperplane that has both of the following two properties: * S is entirely contained in one of the two closed set, closed Half-space (geometry), h ...

, sometimes referred to as support * Support of a module, a set of prime ideals in

commutative algebra Commutative algebra, first known as ideal theory, is the branch of algebra that studies commutative rings, their ideal (ring theory), ideals, and module (mathematics), modules over such rings. Both algebraic geometry and algebraic number theo ...

Statistics

* Support, the natural logarithm of the

likelihood A likelihood function (often simply called the likelihood) measures how well a statistical model explains observed data by calculating the probability of seeing that data under different parameter values of the model. It is constructed from the j ...

ratio, as used in phylogenetics *

Method of support In statistics Statistics (from German language, German: ', "description of a State (polity), state, a country") is the discipline that concerns the collection, organization, analysis, interpretation, and presentation of data. In applying st ...

, in statistics, a technique that is used to make inferences from datasets * Support of a distribution where the probability or probability density is positive

Military

Close air support Close air support (CAS) is defined as aerial warfare actions—often air-to-ground actions such as strafes or airstrikes—by military aircraft against hostile targets in close proximity to friendly forces. A form of fire support, CAS requires ...

Combat service support The term combat service support (or CSS) is utilized by numerous military organizations throughout the world to describe entities that provide direct and indirect sustainment services to the groups that engage (or are potentially to be engaged) ...

* Combat support *

Fire support Fire support is a military tactics term used to describe weapons fire used to support friendly forces by engaging, suppressing, or destroying enemy forces, facilities, or materiel in combat. It is often provided through indirect fire, though th ...

Psychology

Emotional support animal An emotional support animal (ESA) is an animal that provides support to individuals with a mental health or psychiatric disability. Emotional support animals are not required to be trained. Any animal that provides support, comfort, or aid, to an ...

Moral support Moral support is a way of giving support to a person or cause, or to one side in a conflict, without making any contribution beyond the emotional or psychological value of the encouragement by supporting them. For example, in a war between two c ...

Peer support Peer support occurs when people provide knowledge, experience, emotional, social or practical help to each other. It commonly refers to an initiative consisting of trained supporters (although it can be provided by peers without training), and can ...

Social support Social support is the perception and actuality that one is cared for, has assistance available from other people, and, most popularly, that one is part of a supportive social network. These supportive resources can be emotional (e.g., nurturance), ...

Support group In a support group, members provide each other with various types of help, usually nonprofessional and nonmaterial, for a particular shared, usually burdensome, characteristic. Members with the same issues can come together for sharing coping str ...

Sympathy Sympathy is the perception of, understanding of, and reaction to the Mental distress, distress or need of another life form. According to philosopher David Hume, this sympathetic concern is driven by a switch in viewpoint from a personal perspe ...

Science and technology

Catalyst support In chemistry, a catalyst support or carrier is a material, usually a solid with a high surface area, to which a catalyst is affixed. The activity of heterogeneous catalysts is mainly promoted by atoms present at the accessible surface of the ma ...

, in chemistry and materials science *

Life support Life support comprises the treatments and techniques performed in an emergency in order to support life after the failure of one or more vital organs. Healthcare providers and emergency medical technicians are generally certified to perform bas ...

, in medicine *

Technical support Technical support, commonly shortened as tech support, is a customer service provided to customers to resolve issues, commonly with consumer electronics. This is commonly provided via call centers, online chat and email. Many companies provid ...

, help for computer hardware, software, or electronic goods