The Puritans mean for the scarlet letter to be a symbol of Hester's shame. But the narrator describes the letter as a "mystic symbol" that means many things. The letter does represent Hester Prynne's adultery, but as she grows and changes in the novel, the letter's symbolism evolves as well. For example, it comes to mean "able" when she becomes a successful seamstress, and Dimmesdale refers to Hester twice as "angel," giving the letter yet another meaning. In the end, the letter comes to symbolize Hester's triumph over the very forces that meant to punish her.