East Asian Width - Fullwidth
Fullwidth is a classification for characters that occupy the same horizontal space as two standard Latin letters, typically seen in East Asian typography. These characters are designed to align perfectly in monospaced grids, where each glyph takes a double-width cell, unlike their narrow or halfwidth counterparts. Examples include fullwidth forms of ASCII punctuation, digits, and letters, such as “A” or “,”, which are often used in Chinese, Japanese, and Korean text to ensure visual uniformity when mixed with ideographs. This spacing ensures that lines of text containing both CJK and Latin characters maintain consistent alignment and readability, though fullwidth characters can sometimes cause formatting issues in Western software that assumes single-width glyphs.