This is the 4190th most frequent Spanish word.
leonardo
"Leonardo" is a proper noun, typically a male given name.
Here, 'Leonardo' is used as a proper noun referring to the famous historical figure Leonardo da Vinci.
Leonardo es un artista famoso del Renacimiento.
Leonardo is a famous Renaissance artist.
In this sentence, 'Leonardo' is used as a personal name referring to an individual.
Mi amigo Leonardo toca la guitarra en una banda.
My friend Leonardo plays the guitar in a band.
Here, 'Leonardo' is used as a subject, discussing the characteristics associated with the name itself.