 Though the Etruscan language is not fully understood, certain words can be picked out of the text to give us an indication of the subject matter.Both dates and the names of gods are found throughout the text, giving the impression that the book is a religious calendar.Such calendars are known from the Roman world, giving not only the dates of ceremonies and processions, but also the rituals and liturgies involved, the lost "Etrusca disciplina" referred to by several Roman antiquarians.