Recto

The recto and verso are respectively the "front" and "back" sides of a leaf of paper in a bound item such as a codex, book, broadsheet, or pamphlet. In languages written from left to right (such as English) the recto is the right-hand page and the verso the left-hand page. These are terms of art in the binding, printing, and publishing industries, and can be applied more broadly to any field where physical documents are exchanged.