The document discusses the symbolism of mockingbirds in 'To Kill a Mockingbird,' emphasizing characters Boo Radley and Tom Robinson as representations of innocence that are unjustly harmed by society. It explores themes of racism, moral complexity, and the loss of innocence as experienced by the characters, particularly through the children Scout and Jem's evolving understanding of their world. The narrative illustrates how societal prejudices impact individual fates and moral perceptions, highlighting the importance of empathy and moral growth.