Colon (punctuation) sounds can also be denoted by asterisks or other punctuation marks. Colons can also be used to represent eyes in emoticons. Colon (punctuation) The colon ( : ) is a punctuation mark consisting of two equally sized dots centered on the same vertical line. A colon precedes an explanation or an enumeration, or list. A colon is also used with ratios, titles and subtitles of books, city and publisher in bibliographies, Biblical citations between chapter and verse, and for salutations business letters and other formal letter writing, and often to separate hours and minutes. The most common use of the
General Punctuation General Punctuation General Punctuation is a Unicode block containing punctuation, spacing, and formatting characters for use with all scripts and writing systems. Included are the defined-width spaces, joining formats, directional formats, smart quotes, archaic and novel punctuation such as the interobang, and invisible mathematical operators. Additional punctuation characters are in the Supplemental Punctuation block and sprinkled in dozens of other Unicode blocks. The General Punctuation block contains two emoji: U+203C and U+2049. The block has four standardized variants defined to specify emoji-style (U+FE0F VS16) or text presentation (U+FE0E VS15) for the two emoji, both of which default to a text