I think license names are standardized. Sure you got some odd ballers, but they're generaöly backed by thorough law text. Licenses are a very commom and battle tested data point. Take a look at the way podcast does it: generally a standardized abreviation and a link to the actual text. Winging it on a licensing can have devastating legal implications.
Discussion
(I hate everything i wrote in the above note… In my ideal world, everything is public domain because the market is fair enough to foster a fair music market. Until then, i find myself moraly obliged to apply creative commons on everything i do to keep my work from being abused)