FTL is achieved by using manufactured engines to propel a ship faster than the speed of light.
Hyper lanes are created by doing an FTL jump and not running into any hazards, designating the path you just took as a hyper lane.
Kyber crystals seem to be an intersection between technology and magic from my research though so you’re half right here. The crystals are naturally forming conduits that channel magic force energy and vibrate to generate the blade of the weapon.
All of these things were researched in the last 5 minutes. You could’ve known this stuff yourself if you actually felt like looking it up.