Synthesized answer
The provided passages do not contain enough information to explain key concepts in my own words. The only information present is the title of the report, its author, a category, and a page number [1]. There are no definitions or explanations of any key concepts from the report.
Synthesized from the book passages below. Chat with the book on Feynman for follow-up.
From the book
Title: Report of an Investigation Into the Peasant Movement in Hunan by Zedong Mao Categories: Agricultural laborers Pages: 82