What does Bharat signify in southern India?

In southern India, the term “Bharat” is often used to refer to the entire Indian subcontinent, symbolizing the unity of the diverse cultures, languages, and traditions within the region. It signifies not just the political entity of modern India, but also the historical and cultural continuity of the land. In ancient texts and scriptures, the name “Bharat” is linked to the legendary king Bharata, who is believed to have ruled the land. The concept of Bharat in southern India reflects a sense of national pride, unity, and heritage that binds the region with the rest of the country.

This question related to Chapter 5 Social Science Class 6th NCERT.
From the Chapter 5. India, That Is Bharat.
Give answer according to your understanding.