What does it mean when a girl says she wants Casual but no dating?

I asked a girl what she was looking for on this dating app. I had just matched with her then. She said "Casual, but no dating". Is she just looking for sex? Or is it like companionship but with no commitment drama? If I go ahead with this, does it not involve me trying to get to know her at all? It's a first for me so kinda confused.
What does it mean when a girl says she wants Casual but no dating?
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