Terminology:Common punctuation symbols

Summary of the visual appearance and usage of common punctuation symbols in the English language:

SymbolSymbol nameSymbol design description

ApostropheThe apostrophe is used to indicate either:
  • omitted numbers (eg '30s)

  • omitted letters (eg hangin')

  • a contraction (eg didn't)

  • possessive ownership (eg John's bag)

'

Apostrophe (default)Any decent graphic designer will ensure this ugly default apostrophe is not used on printed material, but because keyboards don’t easily differentiate, the upright default version unfortunately seems to have won the online battle

Quotation mark: left singleAlso known as inverted commas or speech marks

Quotation mark: right single 

Quotation mark: left double 

Quotation mark: right double 

"

Quotation mark: double (default)Any decent graphic designer will ensure this ugly default apostrophe is not used on printed material, but because keyboards don’t easily differentiate, the upright default version unfortunately seems to have won the online battle

( )

Brackets: roundAlso known as parenthesis

[ ]

Brackets: square 

{ }

Brackets: curlyAlso known as braces

:

Colon 

;

Semicolon 

,

Comma 

.

Full stopAlso known as period in United States of America

-

Hyphen or minus signAlthough typographically different, the hyphen and minus sign are generally accepted as interchangeable:

  • The hyphen joins two or more words (eg compound words such as “blue-green”) and is used without spaces before or after the hyphen
  • The minus sign is the negative character used in maths

Dash: enThe en dash is used for indicating inclusive numbers or date ranges and its width matches the capital letter “N” in the chosen font

  • Used to indicate inclusive numbers (eg pages 32–33) or inclusive date ranges (eg 9–12 June) and is used without spaces before or after the en dash
  • The width of the letter capital “N” in that font

Dash: emThe em dash is used as a strong break in a sentence and its width matches the capital letter “M” in the chosen font

  • Used as a strong break in a sentence
  • The width of the letter capital “M” in that font

_

Underscore

Ellipsis 

!

Exclamation mark 

?

Question mark 

InterrobangQuestion mark and exclamation mark combined

\

Backslash 

/

Forward slashAlso known as a stroke or virgule, the forward slash character is used to represent “per” and to separate parts of text:

  • Represents “per”, such as metres/second
  • Separates parts of text

SolidusLine used to represent a fraction