- More than 70,000 definitions written with a precise, clear and rigorous, with a properly structured presentation for agile handling. - Examples of use to help understand the significance of the meanings of more complex and complement the definitions. - A wide and careful selection of over 5,000 compound forms, expressions and phrases. - More than 3,000 comments and notes on spelling, syntax, phonetics and morphology. - More than 7,000 specialty meanings with annotation. - More than 12,000 entries with etymological information. - Tables of model conjugation of regular verbs and irregular verbs. - A complete appendix with precise and detailed information on spelling, style, phonetics, morphology, semantics, syntax and grammar text, and an introduction to the genres and literary devices. All accompanied by appropriate examples.