Authors use characters to show the theme. The story is the outgrowth of the theme. If an author wants to write about love lasting forever, he may write a love story with two people who realize that they are going to die and find the fountain of youth, or something like that.
I think that characterization it's the most important thing in literature. Every autor use characters to interact with reader. Characters reveal the main idea of the story. They can symbolize different problems or they can motivate you to do something.
Since woman don't have as much academic and business opportunities as men do, the author expresses her joy when knowing that a woman has a chance to be in a successful field of career and freedom. The author expresses that they are satisfied by knowing that a woman has the freedom to embark on a new journey towards life and charisma.