Final answer:
The central idea of this oral history is the importance of incorporating diverse perspectives and voices in the study of history.
Step-by-step explanation:
The central idea of this oral history is the importance of incorporating diverse perspectives and voices in the study of history. The quote from the community elder emphasizes the significance of communication relationships and the situation that existed in many communities at the outset. It highlights the role of interpretation and the impact of researchers' backgrounds and viewpoints in shaping historical narratives.