In the place of rhetoric and genre arose the belief in self-proclaimed autonomous literary language, also called artistic prose.

It was considered a period of great literary stability due to the formalised literary language that changed very little.

Beginning here, he grappled with the issue of the literary language, which he termed the common language.

It was used as literary language as early as 12th century.

Yet, in practice, the variants of the conceived common literary language served as different literary variants, chiefly differing in lexical inventory and stylistic devices.