What is the exposition for a single shard?

In the book "A Single Shard" by Linda Sue Park, the exposition introduces the main character, Tree-ear, a young orphaned boy living in a Korean village, as well as his mentor, the potter Min. As Tree-ear dreams of becoming a potter like Min, he begins to learn about the art and challenges of pottery-making in their village. The exposition sets the stage for Tree-ear's journey to prove himself and achieve his dream.