a regional variety of language distinguished by features of vocabulary, grammar, and pronunciation from other regional varieties and constituting together with them a single language; one of two or more cognate languages… See the full definition| www.merriam-webster.com
a written composition in which two or more characters are represented as conversing; a conversation between two or more persons; also : a similar exchange between a person and something else (such as a computer); an exchange of ideas and opinions… See the full definition| www.merriam-webster.com