English: Poster for a editathon to be held by the Wikipedian in Residence at the National Library of Wales on the 15th of January 2016 as part of Wikipedia's 15th birthday celebrations
to share – to copy, distribute and transmit the work
to remix – to adapt the work
Under the following conditions:
attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made. You may do so in any reasonable manner, but not in any way that suggests the licensor endorses you or your use.
share alike – If you remix, transform, or build upon the material, you must distribute your contributions under the same or compatible license as the original.