Shamelessly ripped off from this site and others (to be named hereinafter). (Fair warning: for my own edification, I may add definitions/comments from the site, but you might want to just go there and read them if you were really interested.)
Well bad, bad Wordies do all the good, good Wordies a wonderful service when they take the trouble to bring such beauties as these into the Wordie world. So thank you!