Dravidian refers to a specific region's languages, so it's important in studies about South Asia. Many researchers study the Dravidian language family to understand South Asian linguistics.
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Diverse Languages
Dravidian languages are distinct from each other, knowing one doesn't mean you understand all. Despite knowing Tamil, he found Telugu, another Dravidian language, challenging to learn.
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Not Hindi or Sanskrit
Dravidian languages are separate from North Indian languages like Hindi or Sanskrit. While Hindi is Indo-Aryan, Tamil is a Dravidian tongue, with a completely different script.