Section 1: The Core
This is where it all starts. The central hub of the operation.
Power Supply: Because even in space, you can never have too much juice.
Section 2: The Peripherals
All the things you need to make life worth living.
Communication System: So you can talk to someone, even when no one is listening.
Section 3: The Extras
The things that make life interesting.
Recreational Facilities: Because even astronauts need a break.