1º_ Conversation between several people, exchange of opinions. By extension it is also said of the relationship of communicated machines that share data, or even of works that when associated generate new interpretations by coincidences in their themes. From the Greek 948; 953; 945; ( say "between , through" ) 955; 959; 947; 959; 962; ( logos "study, treatise, discourse") . 2º_ It is said especially of the resource in literature, and more in theater, where two or more characters exchange parliaments.