supporting structure (noun)

1. The supporting structure in the cinema was strong enough to bear the weight of the huge movie screen.

2. In the science fiction movie, the spaceship's supporting structure played a vital role in enabling the crew to travel through space.

3. The novelist described the castle's supporting structure in great detail to create a vivid setting for the story.

4. The architect carefully designed the supporting structure of the building to ensure its stability and safety.