Starting, sustaining and ending an examination of a matter, with arguments for or against, or debate carried out by means of spoken, written, sign or other forms of language, with one or more people one knows or who are strangers, in formal or casual settings.
(additional explanation: The close examination of the matter must begin by the agreement or an opposite discussion and the discussion, continue, and conclude. Spoken language..oral..literary words..sign..other..form..word..with..public..scene..daily life..scene..acquainted..often..know..person..plural..person..do.)
Inclusion: discussion with one person or many people
Lower livel: