Line most often refers to:

  • In geometry, art, or similar:
  • Line (geometry), an object that has zero thickness and no curvature (i.e. is straight) and stretches to infinity
  • Line segment, a finite piece of an infinite line
  • Line (graphics), a path drawn between two points
  • A line of text:
  • See line length in typography
  • Line (text file), a row of characters as a unit of organization within text files
  • Line (poetry), the fundamental unit of poetic composition
  • Telephone line, a single-user circuit on a telephone communication system
  • Queue area, known in American English as a place to stand "in line"

Line, lines, The Line, or LINE may also refer to:

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Arts, entertainment, and media

Literature

  • Line (comics), a set of comic books, often with a separate theme or narrative from the main franchise
  • Plotline, sequence of connected events in a story

Music

  • Line (melody), a linear succession of musical tones that the listener perceives as a single entity
  • Line (music) or part, a strand or melody of music played by an individual instrument or voice

Business

  • Above the line (ATL) and below the line (BTL) describe advertisements that are targeted to either the general public or specific audiences, respectively
  • In the context of staff and line functions, business activities that directly advance the main goal, as opposed to staff functions' support role
  • A set of related products from the same company:
  • Line of business (LOB)
  • Product lining
  • A line item on a form, such as the bottom line that often represents net income<!-- As of May 2026, line item redirects to line-item veto, but if there is a separate article describing the accounting term, this should link to it. -->
  • A cutoff between categories, such as:
  • Poverty threshold, AKA poverty line or breadline, the amount of income estimated as the minimum needed to afford necessities
  • Line management, the direct supervisors of front-line workers

Computing and telecommunications

<!-- As of May 2026, line (electrical engineering) redirects to electrical network, which does not use the term "line" except to mention transmission lines and refer to linear circuits, linearity, linearization, etc. -->

  • Transmission line (disambiguation), a structure for transmitting some kind of resource or signal
  • Line level, the standard strength of an audio signal
  • Line (video), a measure of video display resolution or image resolution

Military

  • Line officer or officer of the line, an officer with authority to command units

Land warfare

  • Line (formation), standard tactical formation of forces
  • Line infantry, line formation of infantrymen who were part of the "Line Regiments"
  • Lines, another word for fortifications

Sea warfare

  • Line of battle, <!-- just naval ... really ??

Also (tho i dunno

if it's land, sea, or both,

but)

Do we need a "line of departure" ?)

Also "ship of the line"

-->in naval warfare, a line of warships

Science

  • Fault line, a geological term
  • Inbred line, either of:
  • Inbred strain or linear organisms, model organisms that are nearly genetically identical and are used in laboratories
  • Products of line breeding, a technique in animal and plant agriculture and horticulture
  • Lineage (evolution), a sequence of species that form a line of descent
  • Long interspersed nuclear element, or LINE, a DNA sequence of two non-overlapping reading frames, accounting for 21% of human DNA
  • Maxwell (unit), the unit of magnetic flux, formerly called line

Sports

Flexible ligatures

  • Fishing line, used (or intended) for angling
  • Kite line, a string or cord attached to the kite, that is held or attached to an anchor, to prevent it from flying away

Competitive sports

  • Line (ice hockey), group of forwards that play in a group, or "shift", during a game
  • Line and length in cricket, the direction and distance to the first bounce of a delivery
  • Line of scrimmage, a boundary in American and Canadian football
  • Racing line, the optimal path in motorsports

Sports betting

  • Line in spread betting, number assigned by bookmakers which handicaps one team and favors another when two teams play each other, aka the spread

Transport

  • Airline, a company that provides air transport services for traveling passengers and freight
  • Log-line, in nautical usage, a piece of rope which has been assigned a function
  • Shipping line, a company engaged in sea transport
  • Railway line, a railway route or service
  • Waterline, the line where the hull of a ship meets the surface of the water

Names and titles

  • Line Corporation, a Tokyo-based technology company
  • Line (software), a social messaging application operated by Line Corporation
  • The Line, a website and social media campaign promoting respectful relationships, run by Our Watch in Australia
  • LINE (combat system), a martial arts system

People

  • Line (given name), a Scandinavian female given name
  • Line (singer) (born 1996), a Danish singer and finalist in the Danish X Factor
  • Peter Line (bowls) (1930–2025), English lawn and indoor bowler
  • Peter Line (snowboarder) (born 1974), American professional snowboarder, snowboard industry entrepreneur, writer, photographer and designer
  • Lines (surname)
  • The Lines family of Birmingham, England, including:
  • Samuel Lines (1778–1863) and his sons
  • Samuel Rostill Lines (1804–1833)
  • Frederick Thomas Lines (1808–1898)
  • Henry Harris Lines (1800 or 1801–1889)

Places

  • Líně, a municipality and village in the Czech Republic
  • Linesøya, an island, Åfjord, Norway
  • The Line, Saudi Arabia, a planned city
  • Line Islands, in the central Pacific
  • The Line (art trail), London

Films

  • The Line (1938 film) , a Polish drama film
  • The Line (2009 film), an American action-crime film
  • The Line, a 2009 independent film by Nancy Schwartzman
  • The Line (2017 film), a Slovak-Ukrainian crime film
  • The Line (2022 film), a Swiss, French, and Belgian drama
  • The Line (2023 film), an American drama
  • Lines (film), a 2016 Greek film

Works of literature

  • The Line (memoir), by Arch and Martin Flanagan
  • Line (play), by Israel Horovitz, 1967
  • The Line (play), by Timberlake Wertenbaker, 2009
  • "Lines" (poem), an 1837 poem by Emily Brontë

Podcasts

  • The Line (podcast), 2021 by Dan Taberski

Albums

  • Lines (The Walker Brothers album), 1976
  • Lines (Pandelis Karayorgis album), 1995
  • Lines (Unthanks album), 2018

Songs

  • "Line" (song), 2017 single by Triana Park
  • "The Line" (Foo Fighters song), 2017
  • "The Line" (Lisa Stansfield song), 1997
  • "The Line" (Raye song), 2017
  • "The Line", 1995 song by Bruce Springsteen from The Ghost of Tom Joad
  • "The Line", 2000 song by Sadist from Lego
  • "The Line", 2010 single by Battles
  • "LINE", 2015 single by Sukima Switch
  • "Line", 2018 song by The Story So Far from Proper Dose
  • "The Line", a 2023 song by The Kid Laroi from The First Time
  • "The Line", a 2024 song recorded by Twenty One Pilots for Arcane season two

<!---plural --->

  • "Lines" (song), 1976 single by The Walker Brothers
  • "Lines", 2007 song by Dead Letter Circus from Dead Letter Circus

Television shows and episodes

  • The Line (game show), a 2014 American game show
  • The Line (TV series), a Canadian television series
  • "The Line" (Heroes), a 2007 episode of the American television series Heroes
  • "The Line" (The Amazing World of Gumball), a 2017 episode of the British-American animated television series The Amazing World of Gumball
  • The Line, a 2021 documentary series directed by Jeff Zimbalist and Doug Shultz

Other uses

  • Line (unit), an obsolete unit of length equal to one-twelfth or (later) one-tenth of an inch
  • Line (heraldry), used to divide and vary fields and charges in heraldry
  • Line dance, a choreographed dance of a group of people
  • Writing lines, a form of school punishment

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See also

  • A-line (clothing), a style of skirt or dress
  • Line cook, a chef who works a station in a professional restaurant
  • Bottom line (disambiguation)
  • Linear (disambiguation)
  • Liner (disambiguation)
  • Lining (disambiguation)
  • Lyne (disambiguation)
  • Iine (disambiguation)