sentences:  The language is the system par excellence, since through it we registered and we organized our perceptions of the outer world.For that reason the differences of the American Spanish, not only took us to the knowledge to a phonetic study of the region but of the geographic area that each dialectal zone describes.Henríquez Ureña dedicated his research more directly towards linguistics when in 1930 he moved to Buenos Aires, to exert the position of Secretary in the Institute of Philology directed by Amado Alonso.