Question

why the novels use
public language

Answer 1

because all could understand it .

Answer 2

Novels are not expected to be didactic, like tracts or morality plays; nevertheless, in varying degrees of implicitness, even the “purest” works of fictional art convey a philosophy of life. The novels of Jane Austen, designed primarily as superior entertainment, imply a desirable ordered existence, in which the comfortabledecorum of an English rural family is disturbed only by a not-too-serious shortage of money, by love affairs that go temporarily wrong, and by the intrusion of self-centred stupidity. The good, if unrewarded for their goodness, suffer from no permanent injustice. Life is seen, not only in Jane Austen’s novels but in the whole current of bourgeois Anglo-American fiction, as fundamentally reasonable and decent. When wrong is committed, it is usually punished, thus fulfilling Miss Prism’s summation in Oscar Wilde’s play The Importance of Being Earnest (1895), to the effect that in a novel the good characters end up happily and the bad characters unhappily: “that is why it is called fiction.”....

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