https://www.wordhippo.com/what-is/the-meaning-of/italian-word-aperto.html
Open seas… I guess. Of course, Mare Aperto would mean something else in an alchemical and esoteric sense.
https://en.m.wikipedia.org/wiki/Federica_Mogherini
https://m.imdb.com/title/tt0089876/?ref_=m_nmfmd_dr_4