* Standardization: While Cervantes didn't invent the language, his works played a vital role in its standardization. His use of a clear, elegant, and grammatically correct style influenced later writers and helped to solidify the norms of Spanish prose.
* Popularization of Castilian: During Cervantes' time, various dialects were spoken across Spain. His choice of Castilian, the dialect of the center of the country, contributed greatly to its widespread acceptance and adoption as the standard language.
* Contribution to Prose: Cervantes masterfully used prose, particularly in *Don Quixote*. His intricate narratives and vivid descriptions helped elevate prose as a literary form and paved the way for later Spanish novelists.
* Influence on Vocabulary and Idioms: Cervantes introduced and popularized many new words and phrases into Spanish, many of which are still used today. His work also enriched the language with its unique blend of humor, wit, and philosophical depth.
* Legacy as a Model: Cervantes' work remains a model of excellence in Spanish literature. Generations of writers have studied and been influenced by his masterful use of language, his keen observations of human nature, and his ability to weave intricate narratives.
Essentially, Cervantes helped shape the Spanish language into the powerful and expressive tool it is today. His lasting legacy lies in his contributions to its standardization, popularization, and development as a literary force.