Most people use regular wings then overlap them with fuselages, but this causes slight problems with lift.

Just try and arrow

That is a question I'm dying to know too.

Or completely different https://www.simpleplanes.com/a/45Erne/Xfy-1-fictional-sPs

Or simple like in this build https://www.simpleplanes.com/a/7o3QV1/Cobra-MKll-unfinisht

You can make them complicate like in this build https://www.simpleplanes.com/a/5ttH4N/Cc-privat-trainer-PRO

Uhh therse a giant different between The normal and the fuselage Wings, only one fuselage Wing can take over one houer.....(Sorry for my Bad english)