Ballroom dance has always been fluid, with new dances or folk dances being added to or removed from the ballroom repertoire from time to time, so no list of subcategories or dances is any more than a description of current practices. There are other dances historically accepted as ballroom dances, and are revived via the vintage dance movement. In Europe, Latin Swing dances include Argentine tango, mambo, Lindy Hop, swing boogie (sometimes also known as nostalgic boogie), and disco fox. One example of this is the subcategory of cajun dances that originated in Acadiana, with branches reaching both coasts of the United
Vulgar Latin Latinus" one merely spoke Latin, but if one spoke ' or ' ("more Latinish") one spoke good Latin, and formal Latin had "", the quality of good Latin, about it. After the fall of the empire and the transformation of spoken Latin into the early Romance languages the only representative of the Latin language was written Latin, which became known as "classicus", "classy" Latin. The original opposition was between formal or implied good Latin and informal or Vulgar Latin. The spoken/written dichotomy is entirely philological. Vulgar Latin is a blanket term covering the popular dialects and sociolects of the Latin