In "Extremely Loud and Incredibly Close," Jonathan Safran Foer explores the emotional landscape of his characters, particularly through the lens of trauma and communication. The protagonist uses blank books as a means to express feelings and thoughts that are difficult to articulate, highlighting the struggle many face when dealing with profound experiences. This act of writing becomes a form of catharsis and a way to process unspoken emotions.

The blank books symbolize the weight of unexpressed feelings, serving as a refuge for the character as he navigates loss and the complexities of human connection. Foer's narrative emphasizes the importance of finding outlets for our innermost thoughts and the intricacies of conveying what often remains hidden. Through this journey, readers are invited to reflect on their own struggles with communication and the profound impact of written words.