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Domain vs. Area — What's the Difference?

Edited by Tayyaba Rehman — By Maham Liaqat — Updated on April 29, 2024
"Domain" generally refers to a specific field of expertise or a controlled sphere, while "area" is a broader term for a physical or conceptual space.
Domain vs. Area — What's the Difference?

Difference Between Domain and Area

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Key Differences

A domain typically refers to a sphere of knowledge, activity, or control, such as in 'domain of science' or 'internet domain', highlighting a realm of expertise or jurisdiction. On the other hand, an area can refer to a physical space, like a geographical region, or a field of study or interest, emphasizing spatial or topical boundaries.
In computing, a domain might represent a network of computers under a common administration or a specific address on the internet, whereas an area in computing could denote a segment of memory or a group of functionalities within a software.
Domains often carry a sense of ownership or control, such as a domain name which identifies a particular website on the internet. In contrast, areas are usually neutral and imply a part of a larger whole, such as an area of a city or a specialized field within a broader discipline.
In mathematics, the domain of a function is the set of all possible input values for which the function is defined, focusing on limitations within a conceptual space. Conversely, area in mathematics describes the measure of the extent of a two-dimensional surface enclosed within a boundary, focusing on physical dimensions.
In professional or academic contexts, claiming a domain suggests expertise and authority over a particular subject or field. Meanwhile, working within a certain area can imply a focus on a specific part of a larger field, without necessarily implying exclusive control or ownership.
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Comparison Chart

Definition

A sphere of control, knowledge, or activity
A region or section of space, either physical or conceptual

Usage in Tech

Network domains, internet domains
Areas of memory, functional areas in software

Connotation

Ownership, control, specialization
Spatial segment, breadth, scope

Example in Math

Domain of a function (set of input values)
Area of a shape (measurement of surface)

Professional Use

Used to denote expertise or jurisdiction
Used to denote a specialization or focus area

Compare with Definitions

Domain

A specific sphere of activity or knowledge.
He works primarily in the domain of environmental science.

Area

A particular geographical region of indefinite boundary.
They are responsible for sales in the area of the Midwest.

Domain

In mathematics, the set of all possible input values for which a function is defined.
The domain of the square root function includes all non-negative numbers.

Area

A subject or range of activity or interest.
His area of expertise is medieval history.

Domain

A distinct subset of the Internet with addresses sharing a common suffix or under the control of a particular organization.
That website is registered under the .org domain.

Area

A part of an object or surface.
This area of the park is reserved for picnics.

Domain

The territory over which control is exercised.
The software company extended its domain into new markets.

Area

In mathematics, the extent or measurement of a surface.
The area of a triangle is calculated as half the base times the height.

Domain

A field or area in which one has control or authority.
She is an expert in her domain of digital communications.

Area

A space allocated for a specific purpose.
The dining area is separated from the kitchen.

Domain

An area of territory owned or controlled by a particular ruler or government
The French domains of the Plantagenets

Area

Area is the quantity that expresses the extent of a two-dimensional region, shape, or planar lamina, in the plane. Surface area is its analog on the two-dimensional surface of a three-dimensional object.

Domain

A distinct subset of the Internet with addresses sharing a common suffix or under the control of a particular organization or individual.

Area

A roughly bounded part of the space on a surface; a region:a farming area; the New York area.

Domain

A discrete region of magnetism in ferromagnetic material.

Area

A surface, especially an open, unoccupied piece of ground:a landing area; a playing area.

Domain

The set of possible values of the independent variable or variables of a function.

Area

A distinct part or section, as of a building, set aside for a specific function:a storage area in the basement.

Domain

A distinct region of a complex molecule or structure.

Area

A division of experience, activity, or knowledge; a field:studies in the area of finance; a job in the health-care area.

Domain

A territory over which rule or control is exercised.

Area

An open, sunken space next to a building; an areaway.

Domain

A sphere of activity, influence, or knowledge
The domain of history.

Area

Abbr. AThe extent of a planar region or of the surface of a solid measured in square units.

Domain

The set of all possible values of an independent variable of a function.

Area

(mathematics) A measure of the extent of a surface; it is measured in square units.

Domain

An open connected set that contains at least one point.

Area

A particular geographic region.

Domain

(Computers)A group of networked computers that share a common communications address.

Area

Any particular extent of surface, especially an empty or unused extent.
The photo is a little dark in that area.

Domain

(Physics)Any of numerous contiguous regions in a ferromagnetic material in which the direction of spontaneous magnetization is uniform and different from that in neighboring regions.

Area

The extent, scope, or range of an object or concept.
The plans are a bit vague in that area.

Domain

(Biology)Any of three primary divisions of organisms, consisting of the eukaryotes, bacteria, and archaea, that rank above a kingdom in taxonomic systems based on similarities of DNA sequences.

Area

(British) An open space, below ground level, giving access to the basement of a house, and typically separated from the pavement by railings.

Domain

(Law)The land of one with paramount title and absolute ownership.

Area

(soccer) Penalty box; penalty area.

Domain

A geographic area owned or controlled by a single person or organization.
The king ruled his domain harshly.

Area

(slang) Genitals.

Domain

A field or sphere of activity, influence or expertise.
Dealing with complaints isn't really my domain: get in touch with customer services.
His domain is English history.

Area

Any plane surface, as of the floor of a room or church, or of the ground within an inclosure; an open space in a building.
The Alban lake . . . looks like the area of some vast amphitheater.

Domain

A group of related items, topics, or subjects.

Area

The inclosed space on which a building stands.

Domain

(mathematics) The set of all possible mathematical entities (points) where a given function is defined.

Area

The sunken space or court, giving ingress and affording light to the basement of a building.

Domain

The set of input (argument) values for which a function is defined.

Area

An extent of surface; a tract of the earth's surface; a region; as, vast uncultivated areas.

Domain

(mathematics) A ring with no zero divisors; that is, in which no product of nonzero elements is zero.
Integral domain

Area

The superficial contents of any figure; the surface included within any given lines; superficial extent; as, the area of a square or a triangle.

Domain

An open and connected set in some topology. For example, the interval (0,1) as a subset of the real numbers.

Area

A spot or small marked space; as, the germinative area.

Domain

Any DNS domain name, particularly one which has been delegated and has become representative of the delegated domain name and its subdomains.

Area

Extent; scope; range; as, a wide area of thought.
The largest area of human history and man's common nature.

Domain

A collection of DNS or DNS-like domain names consisting of a delegated domain name and all its subdomains.

Area

A particular geographical region of indefinite boundary (usually serving some special purpose or distinguished by its people or culture or geography);
It was a mountainous area
Bible country

Domain

(computing) A collection of information having to do with a domain, the computers named in the domain, and the network on which the computers named in the domain reside.

Area

A particular environment or walk of life;
His social sphere is limited
It was a closed area of employment
He's out of my orbit

Domain

(computing) The collection of computers identified by a domain's domain names.

Area

A subject of study;
It was his area of specialization
Areas of interest include...

Domain

(physics) A small region of a magnetic material with a consistent magnetization direction.

Area

A part of a structure having some specific characteristic or function;
The spacious cooking area provided plenty of room for servants

Domain

(computing) Such a region used as a data storage element in a bubble memory.

Area

A part of an animal that has a special function or is supplied by a given artery or nerve;
In the abdominal region

Domain

(data processing) A form of technical metadata that represent the type of a data item, its characteristics, name, and usage.

Area

The extent of a 2-dimensional surface enclosed within a boundary;
The area of a rectangle
It was about 500 square feet in area

Domain

(taxonomy) The highest rank in the classification of organisms, above kingdom; in the three-domain system, one of the taxa Bacteria, Archaea, or Eukaryota.

Domain

(biochemistry) A folded section of a protein molecule that has a discrete function; the equivalent section of a chromosome

Domain

Dominion; empire; authority.

Domain

The territory over which dominion or authority is exerted; the possessions of a sovereign or commonwealth, or the like. Also used figuratively.
The domain of authentic history.
The domain over which the poetic spirit ranges.

Domain

Landed property; estate; especially, the land about the mansion house of a lord, and in his immediate occupancy; demesne.

Domain

Ownership of land; an estate or patrimony which one has in his own right; absolute proprietorship; paramount or sovereign ownership.

Domain

The set of values which the independent variable of a function may take. Contrasted to range, which is the set of values taken by the dependent variable.

Domain

A connected set of points, also called a region.

Domain

A region within a ferromagnetic material, composed of a number of atoms whose magnetic poles are pointed in the same direction, and which may move together in a coordinated manner when disturbed, as by heating. The direction of polarity of adjacent domains may be different, but may be aligned by a strong external magnetic field.

Domain

An address within the internet computer network, which may be a single computer, a network of computers, or one of a number of accounts on a multiuser computer. The domain specifies the location (host computer) to which communications on the internet are directed. Each domain has a corresponding 32-bit number usually represented by four numbers separated by periods, as 128.32.282.56. Each domain may also have an alphabetical name, usually composed of a name plus an extension separated by a period, as worldsoul.org; the alphabetical name is referred to as a domain name.

Domain

The three-dimensional structure within an immunoglobulin which is formed by one of the homology regions of a heavy or light chain.

Domain

The field of knowledge, expertise, or interest of a person; as, he had a limited domain of discourse; I can't comment on that, it's outside my domain.

Domain

A particular environment or walk of life.

Domain

People in general; especially a distinctive group of people with some shared interest.

Domain

A particular environment or walk of life;
His social sphere is limited
It was a closed area of employment
He's out of my orbit

Domain

Territory over which rule or control is exercised;
His domain extended into Europe
He made it the law of the land

Domain

The set of values of the independent variable for which a function is defined

Domain

People in general; especially a distinctive group of people with some shared interest;
The Western world

Domain

A knowledge domain that you are interested in or are communicating about;
It was a limited domain of discourse
Here we enter the region of opinion
The realm of the occult

Common Curiosities

Can area be used interchangeably with domain

Not always; while both can denote spaces or fields, domain often implies control or specialization, whereas area is more neutral.

What is considered when calculating an area in mathematics

When calculating an area, the dimensions of the enclosed space are considered to determine its extent.

Why is it important to define the domain in mathematics

Defining the domain is crucial in mathematics to know where a function is applicable and to avoid undefined operations.

What role does area play in urban planning

In urban planning, area plays a critical role in designating specific zones for residential, commercial, or industrial development.

Can the concept of area apply to abstract spaces

Yes, area can also apply to abstract spaces, like areas of influence or study.

What is a domain in professional terms

In professional terms, a domain refers to an area of expertise or operational control.

Are there any specific tools for managing domains in IT

Yes, tools like DNS servers help manage internet domains by translating domain names into IP addresses.

How do domain experts contribute to their fields

Domain experts contribute through specialized knowledge, guiding practices and innovations within their fields.

How do domains affect internet navigation

Domains affect internet navigation by structuring the internet into easily navigable and memorable addresses.

Can domain and area overlap in meaning

Yes, particularly in contexts like a scientific or study area, where domain and area could both refer to fields of expertise.

What's the difference between a domain name and a URL

A domain name is part of a URL, which is the full address used to access a website.

How does the domain of a website function

The domain of a website acts as its address on the internet, helping users locate it easily.

Is domain more common in any specific fields

Domain is particularly common in IT, mathematics, and business strategy.

How do areas differ geographically

Geographical areas differ in features based on climate, culture, and topography.

What considerations are there when expanding an area in business

Considerations include market demand, regulatory environments, and logistical capabilities.

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Author Spotlight

Written by
Maham Liaqat
Tayyaba Rehman is a distinguished writer, currently serving as a primary contributor to askdifference.com. As a researcher in semantics and etymology, Tayyaba's passion for the complexity of languages and their distinctions has found a perfect home on the platform. Tayyaba delves into the intricacies of language, distinguishing between commonly confused words and phrases, thereby providing clarity for readers worldwide.

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