2. The pigman's house is a symbol of his isolation and loneliness, as well as his inner turmoil. It is also a place where the main characters can come to escape their own troubles and find a sense of acceptance.
3. The pigeons that frequent the pigman's house represent his connection to the natural world and his love of animals. They also symbolize the hope and peace that he finds in nature.
4. The pigman's drawings and paintings represent his creative side and his desire to express himself. They also symbolize the way in which he sees the world: as a place of wonder and beauty, but also of darkness and despair.
5. The novel's title, "The Pigman," is also symbolic on multiple levels. On the most basic level, it refers to the pigman himself. But it also suggests the animalistic nature of the characters, their wild and unpredictable behaviors. And finally, it alludes to the novel's themes of identity, transformation, and the importance of accepting others for who they are.