Recto is the "right" or "front" side and verso is the "left" or "back" side when text is written or printed on a leaf of paper (folium) in a bound item such as a codex, book, broadsheet, or pamphlet. Etymology The terms are shortened from Latin: rēctō foliō and versō foliō (which translate as "on the right side of the leaf" and "on the back side of the leaf"). The two opposite pages themselves are called folium rēctum and folium versum in Latin, and the ablative rēctō, versō...