Alright, I understand that you have read a novel before, which involves the people of Gaoyue, the grassland cavalry, and the little princess. These elements often appear in many novels and can add depth and complexity to the story. Gaoyue people usually referred to the people from Gaoyue area. They had a unique culture and belief. These cultures and beliefs could affect their behavior and decisions, and could also become barriers between them and people in other regions. The grassland cavalry was an ancient profession. They were usually responsible for patrolling and protecting the grasslands, as well as performing some necessary tasks. Steppe cavalrymen usually had excellent equestrian skills and combat ability, which gave them a huge advantage in war. The little princess was usually the emperor's little princess. She was usually sent to various places for education in order to cultivate her character and talent. The little princess usually had outstanding wisdom and talent, and could also become a political leader in a certain place. These elements were common in novels and could add depth and complexity to the story. If you have any questions or need further help, please feel free to let me know.