text: CC BY ("Attribution") allows people to use the work for any purpose (even 
  commercially and even in modified form) as long as they give attribution to the 
  creator. 
  CC BY-SA ("Attribution-ShareAlike") allows people to use the work for any purpose 
  (even commercially and even in modified form), as long as they give attribution to the 
  creator and make any adaptations they share with others available under the same or 
  a compatible license. 
  CC BY-NC ("Attribution-NonCommercial") allows people to use the work for 
  noncommercial purposes only, and only as long as they give attribution to the 
  creator. 
  CC BY-NC-SA ("Attribution-NonCommercial-ShareAlike") allows people to use the 
  work for noncommercial purposes only, and only as long as they give attribution to 
  the creator and make any adaptations they share with others available under the 
  same or a compatible license. 
  CC BY-ND ("Attribution-NoDerivative") allows people to use the unadapted work for 
  any purpose (even commercially), as long as they give attribution to the creator. 
  CC BY-NC-ND ("Attribution-NonCommercial-NoDerivative") allows people to use the 
  unadapted work for noncommercial purposes only, and only as long as they give 
  attribution to the licensor. 