Pages 16–20 provide an overview of the main themes and characters in the story. The protagonist, Alice, faces challenges that test her courage and determination. These pages highlight her interactions with other characters, including the White Rabbit and the Cheshire Cat, which help to develop the plot. Additionally, the setting shifts between various whimsical locations, such as the Mad Hatter's tea party and the Queen of Hearts' garden. These environments contribute to the story's fantastical elements, emphasizing the contrast between Alice's reality and the imaginative world she explores.