Placeholder may refer to:
Language
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Placeholder name
Placeholder names are words that can refer to things or people whose names do not exist, are tip of the tongue, temporarily forgotten, are not relevant to the salient point at hand, are to avoid stigmatization, are unknowable/unpredictable in ...
, a term or terms referring to something or somebody whose name is not known or, in that particular context, is not significant or relevant.
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Filler text
Filler text (also placeholder text or dummy text) is text that shares some characteristics of a real written text, but is random or otherwise generated. It may be used to display a sample of fonts, generate text for testing, or to spoof an e- ...
, text generated to fill space or provide unremarkable and/or standardised text.
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Lorem ipsum
In publishing and graphic design, ''Lorem ipsum'' is a placeholder text commonly used to demonstrate the visual form of a document or a typeface without relying on meaningful content. ''Lorem ipsum'' may be used as a placeholder before final c ...
, a standard Latin text most commonly used to demonstrate a font, typography or layout.
Mathematics and computer science
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Free variable
In mathematics, and in other disciplines involving formal languages, including mathematical logic and computer science, a free variable is a notation (symbol) that specifies places in an expression where substitution may take place and is not ...
, a symbol subsequently replaced by a value or string.
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Interpoled variable of a ''string interpolation'' process.
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Metasyntactic variable
A metasyntactic variable is a specific word or set of words identified as a placeholder in computer science and specifically computer programming. These words are commonly found in source code and are intended to be modified or substituted before ...
, a placeholder name (see above) as used in computer science.
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Format placeholder, used in computing to format strings within print functions (
printf).
Other uses
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Line stander
A line stander, queue stander, line sitter or queue professional is a person who takes a position in a queue in place of another, often for payment. The stander may queue to buy a physical object, such as a games console, for their client, or may ...
, a person standing in a queue for another.
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Placeholder (politics) In politics, a placeholder is an official appointed temporarily to a position, with the understanding that they will not seek office in their own right.
The situation often occurs in cases where a United States senator dies in office or leaves befo ...
, a person temporarily appointed to an office that would otherwise remain vacant.
See also
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Filler (disambiguation)
In general, a filler is something that is used to fill gaps. Specialized meanings include:
Materials
* Filler (animal food), dietary fiber and other ingredients added to pet foods to provide bulk
* Filler (materials), particles added to a matrix ...
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Spacer (disambiguation)
Spacer may refer to:
Arts and entertainment
* "Spacer", a song by Sheila and B. Devotion from the 1980 album '' King of the World''
* ''Spacer'' (album), 2011 jazz album by Jason Adasiewicz
* Spacers, a fictional sociocultural group in Isaac Asi ...
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Stand-in
A stand-in for film and television is a person who substitutes for the actor before filming, for technical purposes such as lighting and camera setup.
Stand-ins are helpful in the initial processes of film and television production.
Stand-ins a ...
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Substitute (disambiguation)
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