Aristophanes of Byzantium needed to complete each fragment of text when reading aloud (not to comply with rules of grammar, which were not applied to punctuation marks until thousands of years later). For a short passage (a "komma"), a "stigmḕ mésē" dot was placed mid-level (·). This is the origin of the modern comma punctuation mark, and its name. For a longer passage (a "kolon"), a "hypostigmḗ" dot was placed level with the bottom of the text (.), similar to a modern colon or semicolon, and for very long pauses ("periodos"), a "stigmḕ teleía" point near the top of the line of text
Punctuation of English the dot used as a thousands separator (though a thin space is sometimes used for the latter purpose, especially in technical writing, regardless what the decimal separator is). In computing, the dot is used as a delimiter more broadly, as site and file names ("wikipedia.org", "192.168.0.1." "document.txt"), and serves special functions in various programming and scripting languages. Guillemets sometimes called French quotation marks, are relatively uncommon in English, but are sometimes used as a form of quotation mark. The question mark is used to mark the end of a sentence which is a question. Quotation marks are used to mark