Dravidian language and Natural language

Dravidian language noun - A large family of languages spoken in south and central India and Sri Lanka.

Natural language and Dravidian language are semantically related. In some cases you can use "Natural language" instead a noun phrase "Dravidian language".

Natural language noun - A human written or spoken language used by a community; opposed to e.g. a computer language.

Dravidian language and natural language are semantically related. Sometimes you can replace phrase "Dravidian language" with "Natural language", this phrases are similar.