conversation(A collection of communications (e-mail, IM, text messaging, voice mail, and so on) between two or more participants); thread(An instant message or text message conversation between two or more participants)
colloquy(Oddly, as Hewitt and Garrett continue their colloquy, they seem to expose the threadbare nature of the story, except that they manage not to notice.lexico.com • It wasn't till 1968, on the floor of the fractious Democratic convention, that the two finally came face to face; and the colloquy was as civilized as you'd expect. • The whole colloquy can be found in Volume 2 of Orwell's ‘Collected Essays, Journalism and Letters.’)
Discorsi(книга Галилея, подводившая итоги его исследованиям в области физики, изданная в 1638 г. в Голландии. Ее более полное название: "Беседы и математические доказательства, касающиеся двух новых отраслей науки..." The Dreamer)
lexico.com • It wasn't till 1968, on the floor of the fractious Democratic convention, that the two finally came face to face; and the colloquy was as civilized as you'd expect. • The whole colloquy can be found in Volume 2 of Orwell's ‘Collected Essays, Journalism and Letters.’)