3 commas https://goodcrypto.app/3commas....-review-automated-tr are punctuation marks that are used to set off certain words and phrases. They are also used to divide a list of items. Commas are used to separate the most important parts of a sentence. These elements include words, dates, numbers, addresses, titles, and names. However, some writers are confused about what commas are, how to use them, and where they should be placed.