While it means mixed, at least in Mexico the concept carries a different connotation. Rather than being an outsider, it's the national identity. See for example

While it means mixed, at least in Mexico the concept carries a different connotation. Rather than being an outsider, it's the national identity. See for example http://en.wikipedia.org/wiki/Plaza_de_las_Tres_Culturas http://en.wikipedia.org/wiki/Plaza_de_las_Tres_Culturas