"A wine cork from the Rioja province of Spain with a corkscrew, stemmed glass and bottom of a wine bottle in the background."gettyIf you’ve ever stared at a Spanish wine label and found yourself puzzling over the words Crianza, Reserva, or Gran Reserva, you’re not alone. These terms, printed proudly on bottles from Rioja to Ribera del Duero, are more than just decorative flourishes—they’re shorthand for how long the wine has been aged before release, and they can tell you a lot about what to expect in your ...