* The Nature of Change: The story explores the rapid changes happening in American society during the mid-20th century, particularly the transition from a more rural, traditional way of life to a more suburban, consumerist one. The Fuller Brush Man, a symbol of a bygone era, struggles to adapt to this new world.
* The Loss of Innocence: The story evokes a sense of melancholy and nostalgia for a simpler time, where the Fuller Brush Man was a familiar figure and his products held a certain charm. The story suggests that this innocence is being lost as society modernizes.
* The Power of Memory: The story emphasizes the enduring power of memory, as the narrator recalls his childhood experiences with the Fuller Brush Man and the objects he sold. These memories provide a sense of comfort and connection to the past, even as the present world continues to change.
* The Role of Gender: The story portrays a distinct division between the roles of men and women, with the men playing the roles of salesmen and the women being the primary consumers. This portrayal reflects the social norms of the time.
* The Importance of Connection: The story suggests that even in a world of increasing isolation and change, human connection remains essential. The narrator's memories of the Fuller Brush Man demonstrate the importance of these connections, even if they are fleeting.
Ultimately, "The Fuller Brush Man" is a poignant story about the passage of time and the inevitable loss of innocence. It captures the complexities of change and the enduring power of memory in shaping our understanding of the past and the present.