Comma long sentences for clarity; however, this usage is regarded as an error in modern times. The comma and the quotation mark pairing can be used in several ways. In American English, the comma is commonly included inside a quotation mark: In Great Britain and many other parts of the world, punctuation is usually placed within quotation marks only if it is part of what is being quoted or referred to: There is also some difference regarding the use of the serial comma, which is an optional comma placed before the coordinating conjunction in a list of three or more items:
Comma the comma is used to denote Logical Conjunction ("and"). The comma-separated values (CSV) format is very commonly used in exchanging text data between database and spreadsheet formats. The comma is used as a diacritic mark in Romanian under the "s" ("Ș", "ș"), and under the "t" ("Ț", "ț"). A cedilla is occasionally used instead of it, but this is technically incorrect. The symbol "d̦" ("d" with comma below) was used as part of the Romanian transitional alphabet (19th century) to indicate the sounds denoted by the Latin letter "z" or letters "dz", where derived from a Cyrillic "ѕ" (). The