Long story short, there are two Star Wars canons now: the old Lucasverse and the new Disneyverse. read more
Star Wars Legends, formerly known as the Expanded Universe (abbreviated EU), encompasses every one of the officially licensed, fictional background stories of the Star Wars universe, outside of the original six Star Wars films produced by George Lucas and certain other material such as Star Wars: The Clone Wars, created before April 25, 2014. read more
Once you have defined each genre, the differences between myth and legend are: A legend is based on a historical event but over time has been enriched with elements of fantasy. A myth and a fable have no real or historical basis, being only a fantasy story. read more