Country dance overlaps with contemporary folk dance and with contemporary ballroom dance. Most country dances and ballroom dances originated from folk dances, with gradual refinement over the years.
Some specific forms of country dance, such as English Country Dance refer to specific folk dances. The term "country dance" first appeared in the 16th century, before any of the above-mentioned dances paragraph came into existence.
The meanings of country music and country dance were once more intertwined than they are today. Contemporary country music has roots in the various forms of dance music that traditionally accompanied country dance, but is now mostly a separate concept.
Modern Street dances such as Hip hop are not generally considered folk dances because they do not meet the above criteria. In particular, street dances are living and evolving dance forms, while folk dances are in siginicant degree are bound by tradition.
The main distinction this term bears is with respect to Ballroom dance with its reglamented technique and formalized dance schools and studios.
See Dance basic topics for a list of general dance topics.