Tag

Tag, TAG or tagging could refer to:

Identification

• Dog tag (military), an ID tag worn by military personnel
• Ear tag, an ID tag worn by farm animals
• Pet tag, an ID tag worn by pets
• Toe tag, an ID tag worn by dead bodies in the morgue
• A form of graffiti signature
• QR code or mobile tag, a type of matrix barcode
• Vehicle registration plate, a plate attached to a motor vehicle or trailer for official identification
• Valve Tag, a rectangular piece of stainless steel metal denoting the type of application the valve is to be used in; can be found in various chemical plants around the country

Computing

• TAG (BBS), a bulletin board software program
• Tag (Facebook), a link to another Facebook page
• Tag (metadata), an index term assigned to a piece of information; a type of meta-information that captures knowledge about an information resource
• Tag (programming), a method for passing parameters to subroutines
• Tags (Unicode block), deprecated characters for invisibly tagging texts by language
• HTML tag, a component of the HTML markup language
• Revision tag, a label for a specific revision of a project
• Audio tag, see Metadata § Digital music
• Tag files, indexes to identifiers in source code generated by ctags
• Tag system, a deterministic computational model
• Tag URI, a unique identifier protocol used in internet technologies

Language and education

• Tag (Hebrew writing), a decoration drawn over some of the letters in Jewish scrolls
• Tag (LeapFrog), an interactive reading device
• Part-of-speech tagging, the process of marking up words as corresponding to a particular part of speech
• Tag question, a grammatical structure that converts a statement to a question
• Talented and Gifted program, a type of educational curriculum
  • School for the Talented and Gifted, a secondary school in Dallas, Texas, referred to as TAG
• Tree-adjoining grammar, a grammar framework
• Hashtag, a form of over simplifying an idea using the hashtag (#) symbol before a word or mesh of words that are intended to be an abstraction of a subject

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

Media

• Tag (advertisement), a sportswear commercial
• Tag (barbershop music), a dramatic variation in the last section of a song
• Tag (comics), a Marvel character
• Tag (film), a 2015 Japanese film
• Tag: The Power of Paint, a computer game
• Tag Entertainment, a film production company
• TAG Recordings, a record label
• TAG Theatre Company, a touring theatre company in Scotland
• "Tagged" (The Penguins of Madagascar episode)
• The Andy Griffith Show, a TV series
• The Theatre Arts Guild, a community theatre in Halifax Nova Scotia
• Post-credits scene, a clip appearing at the end of some media
• Tag, the main character of ModNation Racers

Natural science

• Protein tag, a biochemistry method
• Skin tag, a small benign tumour
• Theoretical and Applied Genetics, a scientific journal
• Trans Austria Gas Pipeline, a natural gas pipeline across Austria
• Tumor-associated glycoprotein, a type of protein
• 3-methyladenine DNA glycosylase I, called TAG in E. coli
• Triglyceride or Triacylglycerol, often shortened to TAG

Government/political organizations

• Tactical Assault Group, an Australian counter-terrorism unit
• Tamils Against Genocide, a peace organization
• Treatment Action Group, an HIV/AIDS activist organization
• State adjutant general, senior military officer of each state in the United States
• Transaction Account Guarantee Program, a program of the Federal Deposit Insurance Corporation, see Temporary Liquidity Guarantee Program

Logistics

• Kimball tag, formerly used to identify products to a stock control system
• RFID tag, current stock control technology
• A label used in electronic article surveillance to prevent shoplifting

Other uses

• TAG Body Spray, a discontinued perfume
• TAG Group, a Luxembourgian private holding company
• TAG Heuer maker of watches and other fashion accessories
• TAG Oil, an oil and gas company operating in New Zealand
• Electronic tagging, a form of non-surreptitious surveillance using a device attached to a person or vehicle
• Triage tag, a tool used to classify victims of mass casualty incidents
• Tennessee, Alabama and Georgia Railway, a railway running from Tennessee through northwest Georgia into Alabama
• The Theatre Arts Guild, a community theatre
• Timneh African grey, a parrot
• Topological abelian group, a concept in mathematics
• Transcendental argument for the existence of God
• Transparent Armor Gun Shield, an armor system
• Transportes Aéreos Guatemaltecos, a Guatemalan airline
• Alex Tagliani, Canadian racecar driver, nicknamed "Tags"

See also

• Tagger (disambiguation)
• Tagged, a social networking site
• Tagline, a form of advertising slogan
• Diet (assembly), called Tagung or -tag in German