When you carry on a lengthy conversation, you essentially engage in a deep and involved discourse with someone. Sometimes this can border on monologues, but if executed correctly, it can lead to clarity and mutual understanding of the topic. Alternatively, you could chat at length, shoot the breeze, hold an extended dialogue, have a prolonged discussion, or even have a long-winded exchange. The art of conversation is not just about how much you say, but how much you understand and learn as well. So, the next time you engage in a wordy discussion, try to make sure that it's a productive and informative one.