[{"Bold_text": "noun", "List Items": ["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. It is also used to separate items in a list, to mark off thousands in numerals, to separate types or levels of information in bibliographic and other data, and, in many European countries, as a decimal point.", "Classical Prosody.a fragment or smaller section of a colon.the part of dactylic hexameter beginning or ending with the caesura.the caesura itself.", "a fragment or smaller section of a colon.", "the part of dactylic hexameter beginning or ending with the caesura.", "the caesura itself.", "Music.the minute, virtually unheard difference in pitch between two enharmonic tones, as G? and A?.", "any of several nymphalid butterflies, including the North American Polygonia comma,having a comma-shaped silver mark on the underside of each hindwing."]}]