Spaces
- SPACE – ' ' – sometimes considered a control code
- NO-BREAK SPACE – ' ' – commonly abbreviated as NBSP
- ETHIOPIC WORDSPACE – '፡'
- OGHAM SPACE MARK – ' ' – glyph is blank in “stemless” style fonts
- EN QUAD – ' '
- EM QUAD – ' ' – mutton quad
- EN SPACE – ' ' – nut; half an em
- EM SPACE – ' ' – mutton; nominally, a space equal to the type size in points;may scale by the condensation factor of a font
- THREE-PER-EM SPACE – ' ' – thick space
- FOUR-PER-EM SPACE – ' ' – mid space
- SIX-PER-EM SPACE – ' ' – in computer typography sometimes equated to thin space
- FIGURE SPACE – ' ' – space equal to tabular width of a font; this is equivalent to the digit width of fonts with fixed-width digits
- PUNCTUATION SPACE – ' ' – space equal to narrow punctuation of a font
- THIN SPACE – ' ' – a fifth of an em (or sometimes a sixth)
- HAIR SPACE – ' ' – thinner than a thin space; in traditional typography, the thinnest space available
- ZERO WIDTH SPACE – '' – commonly abbreviated ZWSP; this character is intended for invisible word separation and for line break control; it has no width, but its presence between two characters does not prevent increased letter spacing in justification
- NARROW NO-BREAK SPACE – ' ' – commonly abbreviated NNBSP; a narrow form of a no-break space, typically the width of a thin space or a mid space
- MEDIUM MATHEMATICAL SPACE – ' ' – abbreviated MMSP; four-eighteenths of an em
- SYMBOL FOR SPACE – '␠'
- BLANK SYMBOL – '␢' – graphic for space
- OPEN BOX – '␣' – graphic for space
- IDEOGRAPHIC SPACE – ' '
- IDEOGRAPHIC HALF FILL SPACE – '〿' – visual indicator of a screen space for half of an ideograph
- ZERO WIDTH NO-BREAK SPACE – '' – BOM, ZWNBSP; may be used to detect byte order by contrast with the noncharacter code point U+FFFE; use as an indication of non-breaking is deprecated; see WORD JOINER instead
- TAG SPACE – ''
nik