What type of architectural feature is commonly seen as a transition between different levels in public buildings?

Grand staircases serve as a significant architectural feature that not only facilitates movement between different levels in public buildings but also plays a vital role in the aesthetic and symbolic design. They often convey a sense of grandeur and importance, making them a focal point of a building's entrance or central hall.

In addition to their practical function, grand staircases contribute to the overall experience of the space, encouraging movement and interaction among visitors. They can be designed to showcase elaborate materials, intricate balustrades, and strategic lighting, enhancing the visual impact of the area.

While escalators and elevators are essential for accessibility and efficiently moving large numbers of people, they typically prioritize function over form and may not carry the same design significance as grand staircases. Ramps are also a crucial feature for accessibility, but they often lack the dramatic presence and architectural flair associated with grand staircases, especially in historic or monumental buildings.