What is the Meaning & Definition of dialogue

Pulling originated from the latin word dialŏgus which, in turn, derives from a Greek concept, a dialog is a conversation between two or more persons who manifest their ideas or conditions of alternative ways. In this sense, a dialogue is also a discussion or exchanges to reach an agreement. OTHER hand, in a literary work, dialogue is the set of words that Exchange the characters between them. This kind of textual typology is used in the literature when two characters use the diegetic speech and act as interlocutors. It is also a literary work in the form of conversation which its author to expose his ideas through a character whose role is to contradict.
In its most common usage, the dialogue is a modality of oral and written speech by means of which people communicate with each other. It's an exchange of ideas by any means, direct or indirect.
The dialogue can also be a friendly conversation discussion violent. However, it is said that dialogue is an exchange of ideas where the thoughts of the other person are accepted and the participants are willing to change their own points of view. This is the reason for which there is a consensus on the need for dialogue, regardless of the context: the field of policy, for example.
It is said that those who lust for power and the authoritarian tend to overlook or even to exclude dialogue, because they want at any price that their truth is the only effective and that they discredit the opinions of opponents to strengthen their field.
Authentic dialogue tries to seek the truth and encourage knowledge without prejudice, contrary to the rhetoric which seeks to persuade and convince while manipulating opinion.