Final answer:
Communal harmony emphasizes unity among different communities, exemplified in Rameswaram through peaceful coexistence and shared celebrations like Diwali.
Explanation:
Communal harmony refers to the peaceful coexistence and unity among different communities or groups, emphasizing shared values and experiences. In Rameswaram, an ideal place known for communal harmony, people from various backgrounds live together peacefully, celebrating festivals like Diwali that promote a sense of unity transcending social divisions.
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