Final answer:
The term 'Appelplatz' refers to an assembly point for the camp in concentration camps during World War II.
Step-by-step explanation:
Based on the context clues provided, 'Appelplatz' most likely refers to an assembly point for the camp. In concentration camps during World War II, the Appelplatz was a designated area where prisoners were gathered for roll call or various other activities. It served as a central location for the camp authorities to count and control the prisoners. The term 'Appelplatz' is a German word.
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