Vocabulary+Words+from+Past+Classes

Also, as per Jennis's request, here are some of definitions from the board.
 * From Thursday, 24 September, 2009:**
 * Dialect = slang + accent
 * Vernacular = specific to an area
 * Colloquialisms = slang words
 * Memes = units of cultural transmission
 * Heterogeneous = different
 * Homogeneous = same
 * Pidgin = broken version of a language
 * Creole = when children grow up speaking a pidgin
 * Lingua franca = the standard language of a discourse (like science or business)
 * Xenophobia = the fear of different things