Select the synonym of
parlance

Let's analyze the meanings of the given words:
parlance: a particular way of speaking or using words, especially a way common to those with a particular job or interest (jargon/idiom).

lingo: a foreign language or local dialect, or the vocabulary or jargon of a particular subject or group of people. (Synonym)

definitive: done or reached decisively and with authority.

canonical: according to or ordered by canon law; included in the list of sacred books.

classic: judged over a period of time to be of the highest quality and outstanding of its kind.

Thus, lingo is the closest synonym to parlance.