ID

ID, I.D. or id may refer to:

• The id, ego, and super-ego comprise the psychic apparatus defined in Sigmund Freud's structural model of the psyche

Contents 1 Abbreviations 2 Codes 3 Computer science 4 Places 5 Popular culture 6 Mathematics 7 Miscellanea 8 See also

Abbreviations

• Id., Latin, short for "idem", "the same", used in legal citations for the previously cited source
• Identification (disambiguation)
  • Dog tag, military and civilian neck-ID tags
  • Identity document, any document used to verify personal identity
• Independent Democrats, a political party in South Africa
• Industrial design
• Interior design
• Infectious disease
• Infectious dose
• Intellectual disability
• Intelligent design, a modern form of the teleological argument for the existence of a god
• International dollar, common name for the Geary–Khamis dollar, a hypothetical unit of currency

Codes

• ID, postal abbreviation for Idaho, a state in the Pacific Northwest region of the U.S.
  • Id., an older postal abbreviation for Idaho
• Indonesia, ISO 3166-1 alpha-2 country code "ID"
  • .id, Internet Top Level Domain code for Indonesia
  • Indonesian language, ISO 639 alpha-2 code id
• Interlink Airlines, IATA airline code

Computer science

• Id (programming language) is a parallel functional programming language
• iD (video game), is a 1980s video game by Mel Croucher
• id Software, the computer game software developer behind the Quake and Doom series, among others
• Internet Draft, a working document of the IETF
• id, the generic object datatype in the Objective-C programming language

Places

• İd, town in Turkey

Popular culture

• Id (Siddharta album), the 1999 debut album of Slovenian rock band Siddharta
• Id (comic), a manhwa by Kim Daewoo, art by A. T. Kenny
• I.D. (film), the 1995 British film, directed by Philip Davis
• "I.D." (Law & Order), an episode of Law & Order
• I.D. (magazine), American magazine focusing on Architecture, Graphic and Industrial Design
• I.D. (play), 2003 British play by Anthony Sher
• id (Veil of Maya album)
• Id (Xenogears), a character in the video game
• i-D, a British fashion magazine
• iD Two, RTÉ television programme
• I.D. & Urgent Calls, an audio drama based on Dr. Who
• Identically Different (I.D.), a former Canadian boyband
• Investigation Discovery, an American cable channel
• ID, an album by Anna Maria Jopek
• Id, a monster In the classic 1956 movie Forbidden Planet
• id Software, the computer game software developer behind the Quake and Doom series, among others
• The Wizard of Id, an American comic strip, and its fictional kingdom

Mathematics

• Influence diagram, a graphical and mathematical representation of a decision situation
• Inside diameter, also 'inner diameter'; a dimension commonly used to specify the size of tubing or pipe
• An identity function, a function that always returns the same value that was used as its argument

Miscellanea

• The Citroën ID, a variant of the Citroën DS
• The Muslim religious festival of Id-ul-Fitr
• Another spelling of Ide (fish)
• A non-standard Roman numeral form for the number 499
• One of the parts of the psychic apparatus in socionics

See also

• Ides (disambiguation)

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