People can talk about different things when they are having a dialogue as this would show the insights they have about the world and certain issues.
What is Dialogue?
This refers to the conversation or communication that exists between two people where there is an exchange of information and feedback is given.
Hence, we can see that because your question is incomplete, there is a general overview to help you get the correct answer and the purposes of dialogues.
Read more about dialogues here:
https://brainly.com/question/24374672
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