I've got four 'bents and three different steering setups. All are OSS, Over the Seat Steering and none USS (Under..). As I'm carefully trying to keep aerodynamics good and thus enabling faster speeds, most are optimized for that.
Easiest is remote steering setup in my offroad bent, there is flat handlebar which works like steering in any upright commuter or MTB bike. Anyone can ride that bent, even ones who have hard times to stay upright in my other bents.

Then two road bents have so called praying mantis setup, there handlebar is very narrow and connected to tiller setup pointing backwards. Thus steering requires not turning but throwing handlebar sideways.

And last, Front Wheel Driven (FWD) Moving Botton Bracket (MBB) bent has so called OC, Open Cockpit where handlebar is wide to put arms almost straight forward in side of legs, and handlebar shaped so that it clears moving legs.

Hope this helps. And remember, some bents are designed to take both OSS and USS steering setups so if you've got one, experimenting both is then possible.