The document defines key terms related to the Holocaust such as: - Aktion - A Nazi operation to seek out, assemble, shoot, or deport Jews to labor or death camps. - Concentration camp - Camps where Jews were imprisoned by the Nazis. - Crematorium - Ovens where Jews were killed by fire or gas in concentration camps. - Death camp - A camp solely for killing Jews. - Final solution - The Nazi plan to annihilate all Jews. - Holocaust - Term describing the Nazi murder and torture of over 6 million Jews and 3 million others.