Disco

We had the school disco last Friday, afterwards my daughter informed me that it wasn't really a disco.
Her: I liked the disco but it wasn't really a disco.
Me: What was it?
Her: It was a dance.
Me: I don't think there's much difference.
Her: There's cool dancing at a disco, but they had us doing the chicken dance, that's not cool.
She's got a point there.