1. : a punctuation mark, used especially as a mark of separation within the sentence. 2. : pause, interval. 3. : any of several nymphalid butterflies (genus Polygonia) with a silvery comma-shaped mark on the underside of the hind wings.
The comma, is a punctuation mark that appears in several variants in different languages. It has the same shape as an apostrophe or single closing quotation mark (’) in many typefaces, but it differs from them in being placed on the baseline of the text. Some typefaces render it as a small line, slightly curved or straight, but inclined from ...
Rules for Using Commas. Ah, the comma. Of all the punctuation marks in English, this one is perhaps the most misused. And it’s no wonder. There are lots of rules about comma usage, and often the factors that determine whether you should use one are quite subtle. But fear not!
noun the sign (,), a mark of punctuation used for indicating a division in a sentence, as in setting off a word, phrase, or clause, especially when such a division is accompanied by a slight pause or is to be noted in order to give order to the sequential elements of the sentence.
What is a comma (,)? A comma is a punctuation mark that represents a short pause and is used to divide parts of a sentence. A comma usually resembles a dot with a tail (,) and is placed at the bottom of a line of text or writing. The comma has many, many different uses and is often the punctuation mark that people have the most difficulty with.
Oxford commas. In lists, commas are used to separate each item, and the last item is separated by a conjunction (e.g., and, or). A comma before the conjunction, known as the serial comma or Oxford comma, is optional. Whether or not you choose to use it, make sure to be consistent. With serial comma.
Commas Commas and periods are the most frequently used punctuation marks. Commas customarily indicate a brief pause; they're not as final as periods. Rule 1. Use commas to separate words and word groups in a simple series of three or more items. Example: My estate goes to my husband, son, daughter-in-law, and nephew.