Final answer:
The exclamation 'This was home!' signifies a profound understanding of where one finds comfort and belonging, a theme present in various narratives where characters redefine their sense of home.
Step-by-step explanation:
When Gerda exclaims, "This was home!" upon seeing Litzi, Frau Kugler, and Mrs. Berger again, it reflects a deep realization and a sense of belonging she's learned from her experiences at Marzdorf. The concept of home goes beyond a physical location and encompasses feelings of comfort, belonging, and being valued. This sentiment is echoed in various narratives where characters either seek a place to call home or come to understand that home is where they are cared for and wanted, just as Amy did when leaving New York, or Mrs. Linde who sought a purpose after her family no longer needed her. Similarly, Heidemarie Schwermer's experience with homelessness led her to redefine what currency and value mean in society, ultimately leading her to give up money. Each character’s journey emphasizes that home is not just a place, but an emotional and psychological sanctuary, sometimes discovered or appreciated more deeply through adversity or life-changing experiences.