Characters
It's just a box with "STOP" and "START" on it!
— Lister · Red Dwarf
Behind the line May contain spoilers.
Our reading
An editorial interpretation.
A deflating, exasperated line: whatever grand mystery or device is being fussed over, the speaker sees only a plain box with two buttons. The humour comes from reducing something apparently important to its most basic controls, stop and start.
Context reviewed