"Relating to or concerned with a
city or densely populated area." Hence
urban legend, urban decay, and others.
Also used in the
US as a desciption of the
culture and
music popular among urban
black populations: urban
music (
rap,
hip-hop), urban
culture, urban
fashion. Generally used by
white music collumnists, but also sometimes used within the
rap and
hip-hop industry(-ies).