What is difference between marvi and ravi?

Marvi and Ravi are terms from different cultural contexts. Marvi is often associated with the folklore of Sindh, particularly in the story of a brave woman named Marvi who symbolizes resilience and loyalty. In contrast, Ravi is a river in northern India and Pakistan, also significant in various cultural and religious texts. The two represent different aspects of cultural heritage, with Marvi embodying individual strength and Ravi reflecting the natural landscape's importance.