Tag, TAG, or tagging may refer to:

Identification and tracking

  • Tag (graffiti), a form of graffiti signature
  • Dog tag, an ID tag worn by military personnel
  • Ear tag, an ID tag worn by farm animals
  • Electronic tagging, a form of surveillance using a device attached to a person or vehicle
  • Kimball tag, predecessor to the barcode, used to identify products to a stock control system
  • Pet tag, an ID tag worn by pets
  • Price tag, a label declaring the price of an item for sale
  • QR code or mobile tag, a type of matrix barcode
  • RFID tag, passive electronic inventory stock control technology
  • Toe tag, an ID tag worn by dead bodies in the morgue
  • Triage tag, a tool used to classify victims of mass casualty incidents
  • Tagging (stamp), the printing of postage stamps on luminescent paper or with luminescent ink to facilitate automated mail processing

People and characters

  • Alex Tagliani (born 1973, nicknamed "Tag"), Canadian race car driver

People with surname Tag

  • Katrin Lea Tag (born 1972), German scenic designer and costume designer
  • Kezban Tağ (born 1993), Turkish footballer

Fictional characters

  • Tag (comics), a Marvel character
  • Tag, a member of The Squirrels from the animated preschool show Hey Duggee
  • Tag, the main character of the game ModNation Racers
  • Tag, the main character of the TV series Rimba Racer

Places

  • Bohol–Panglao International Airport (IATA code ), Panglao Island, Bohol, Philippines
  • Tagbilaran Airport (IATA code ), Tagbilaran, Bohol, Philippines; a former airport
  • Trans Austria Gas Pipeline

Arts, entertainment, and media

Films

  • Tag (2015 film), Japan
  • Tag (2018 film), US

Music

  • "Price Tag", a 2011 song by Jessie J
  • Tag (barbershop music), a dramatic variation in the last section of a song
  • TAG Recordings, a record label
  • Producer tag, a brief sound clip as the signature of the producer of the music track
  • T-Rex Action Group, see Marc Bolan's Rock Shrine

Television

  • Tag (TV channel), a defunct Philippine TV channel
  • T@gged, a 2016–2018 American web series
  • "Tagged" (The Penguins of Madagascar episode)
  • "The Tag" (The Amazing World of Gumball episode)

Theatre

  • TAG Theatre Company, a touring theatre company in Scotland
  • The Theatre Arts Guild or TAG, a community theatre in Halifax Nova Scotia

Other arts, entertainment, and media

  • Tag (advertisement), a sportswear commercial
  • Tag: The Power of Paint, a computer game
  • Tag Entertainment, a film production company
  • Tagged (website), a social networking site
  • Tagging (graffiti), a form/style of graffiti signature
  • Post-credits scene, a clip appearing at the end of some media
  • The Animation Guild, a professional trade union of artists and production workers

Brands and enterprises

  • TAG Body Spray
  • Tag Games, developer in Scotland
  • TAG Group, Luxembourg
  • TAG Heuer, watchmaker
  • TAG Oil, New Zealand
  • Tennessee, Alabama and Georgia Railway, reporting mark
  • Transportes Aéreos Guatemaltecos, a Guatemalan airline

Computing

  • TAG (BBS), bulletin board software
  • Tag (Facebook), a link in Facebook
  • Tag (metadata), a more flexible form of categories
  • Tag (programming), for passing parameters
  • Tags (Unicode block), with formatting tag characters
  • Tag, an element in several markup languages
  • HTML tag
  • Revision tag, for a specific revision
  • Audio tag, see
  • Tag files, an index of source code identifiers
  • Tag system, a deterministic computational model
  • Tag URI, a unique identifier protocol
  • Technical Architecture Group, a W3C group
  • Tag management system, used to manage the life cycle of digital marketing tags

Government and political organizations

  • State adjutant general, US
  • Tactical Assault Group, Australia
  • Tamils Against Genocide
  • Treatment Action Group, an HIV/AIDS activist organization
  • -Tag, a German word for "Diet" or "Assembly" (see: Bundestag)

Language and education

  • Tag (Hebrew writing), a decoration
  • Tag (LeapFrog), an interactive reading device
  • Hashtag
  • Part-of-speech tagging
  • Tag question, a statement converted to a question
  • Talented and Gifted program, in education
  • School for the Talented and Gifted, Dallas, Texas, US
  • Tree-adjoining grammar

Natural science

  • 3-methyladenine DNA glycosylase I, called TAG in E. coli
  • Protein tag, a biochemistry method
  • Skin tag, a small benign tumour
  • Theoretical and Applied Genetics, a scientific journal
  • Timneh African grey, a parrot
  • Triglyceride or Triacylglycerol, often shortened to TAG
  • Tumor-associated glycoprotein, a type of protein
  • TAG, a stop codon

Sport

  • Tag (game), a playground game
  • Tag (horse), an 18th-century thoroughbred racehorse
  • Tag out, a play in baseball
  • Tag team, a type of wrestling

Other uses

  • Technical research ship (ship code )
  • Topological abelian group, in mathematics
  • Transcendental argument for the existence of God

See also

  • T&G (disambiguation) (T and G)
  • Tagged (disambiguation)
  • Tagger (disambiguation)
  • Tagline, a form of advertising slogan
  • TAGS (disambiguation)