Era means time period. The disney Princesses are separated into three time periods, atau eras. The Classic Era, which is Snow White, Cinderella, and Aurora, the Renaissance Era, which is Ariel, Belle, Jasmine, Pocahontas, and Mulan, and the Modern Era, which is Tiana, Rapunzel, Merida, Anna and Elsa.
Well as far of the DPs are concerned, they are parts of disney history! Classic Era: Snow, cinderella and Aurora and their movies/princes Renaissance Era: Ariel, Belle, Jasmine, Pocahontas and mulan and their movies/princes Modern/Revival Era: Tiana, Rapunzel, Merida, (soon) Anna and Elsa and their movies/princes