Why did Mary Cassatt paint lilacs in a window?

Mary Cassatt painted "Lilacs in a Window" to capture the interplay of light and color, showcasing her interest in domestic scenes and the beauty of everyday life. The lilacs symbolize femininity and the nurturing aspect of women, which resonates with her focus on women's experiences. Additionally, the use of a window frame creates a sense of intimacy and connection between the indoor and outdoor worlds, enhancing the painting's emotional depth.