Determine a theme or central idea of a text and analyze its development over the course of the text, including its relationship to the characters, setting, and plot; provide an objective summary of the text.

The theme of the text is the power of friendship and the importance of loyalty. The story follows two friends, Jack and Jill, who have been friends since childhood. They are faced with a difficult situation when Jack's family moves away and Jill is left behind. Despite the distance, the two remain loyal to each other and continue to stay in touch. When Jack's family returns, the two are reunited and their friendship is stronger than ever. The story shows how the power of friendship can overcome any obstacle and how loyalty is essential in maintaining a strong bond between two people. The characters, setting, and plot all contribute to the development of this theme throughout the text.