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Underscore

An underscore or underline is a line drawn under a segment of text. In proofreading, underscoring is a convention that says "set this text in italic type", traditionally used on manuscript or typescript as an instruction to the printer. Its use to add emphasis in modern finished documents is generally avoided.

Applications, Usage in computing & Modern use

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Key facts & relationships

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Different from
U+0331 ◌̱ COMBINING MACRON BELOW
See also
U+2017 ‗ DOUBLE LOW LINE U+2381 ⎁ CONTINUOUS UNDERLINE SYMBOL U+2382 ⎂ DISCONTINUOUS UNDERLINE SYMBOL U+FE33 ︳ PRESENTATION FORM FOR VERTICAL LOW LINE

Topics to explore

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Overview

Modern use

Mathematics

Usage in computing

Manuscripts

Underlines in Chinese

Advanced semantic analysis

Deeper signals for content research, entity SEO and topical coverage. The plain-language headings explain what each technical view is useful for.

Map overview Semantic statistics

Underscore

Nodes95
Edges94
Triples62
Avg. degree1.98
Density0.021053
Components1

How this topic connects Entity context

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Underscore

Top relations

related to history · 13
Underscore → As, ASCII, Bell Labs, By, CRTs, IBM, IBM's, IBM's EBCDIC, ITA2, NPL, PIP, PL/I, Teleprinters
related to Programming conventions · 9
Underscore → An, API, ID, In, In Dart, It, PHP, This, Underscores
related to HTML <u> and CSS · 8
Underscore → CSS, HTML, HTML4, In HTML5, Other, The ASCII, This, UnderBar
related to Mathematics · 6
Underscore → Example, For, In, Similar, Underscores, When
related to Unicode · 6
Underscore → ASCII, COMBINING DOUBLE LOW LINE, COMBINING LOW LINE, In, Modern, Unicode
related to "Simulated" underlines in plain-text · 4
Underscore → For, In, Some, You
related to External links · 3
Underscore → Ngram Viewer, October, Retrieved
related to Modern use · 3
Underscore → In, It, Underlining
Different from · 1
Underscore → U+0331 ◌̱ COMBINING MACRON BELOW
In Unicode · 1
Underscore → .mw-parser-output .monospaced{font-family:monospace,monospace}U+005F _ LOW LINE U+0332 ◌̲ COMBINING LOW LINE

Important terminology Word statistics

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

used line underline text character also low combining underscores indicate unicode modern emphasis underlining often usage double markup see sometimes

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
UnderscoreDifferent fromU+0331 ◌̱ COMBINING MACRON BELOW1.00infobox
UnderscoreIn Unicode.mw-parser-output .monospaced{font-family:monospace,monospace}U+005F _ LOW LINE U+0332 ◌̲ COMBINING LOW LINE1.00infobox
UnderscoreSee alsoU+2017 ‗ DOUBLE LOW LINE U+2381 ⎁ CONTINUOUS UNDERLINE SYMBOL U+2382 ⎂ DISCONTINUOUS UNDERLINE SYMBOL U+FE33 ︳ PRESENTATION FORM FOR VERTICAL LOW LINE1.00infobox
italicsinstance ofwere therefore conventionally used to indicate that text should be set in special type0.80text
part of a procedure known as markupinstance ofwere therefore conventionally used to indicate that text should be set in special type0.80text
ITA2instance ofso early encodings0.80text
the first versions of ASCII had no underscoreinstance ofso early encodings0.80text
operator overloadinginstance offor magic members used for purposes0.80text
reflectioninstance offor magic members used for purposes0.80text
and names starting but not ending with a double underscore to denote private member variables of classes which should be mangled in a manner which prevents them from colliding with members of derived classes unless the classes have the same nameinstance offor magic members used for purposes0.80text
Underscorerelated to "Simulated" underlines in plain-textIn0.60section
Underscorerelated to "Simulated" underlines in plain-textFor0.60section

Related concept clusters Concept neighborhoods

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    Connections between topic areas Semantic bridges

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    Min side: 3
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