What are structural members that support and distribute load called?

The correct answer identifies structural members known for their role in supporting and distributing loads in construction and engineering. Pillars, columns, and stanchions serve as vertical components that support beams and slabs, thereby transferring loads from the structure above down to the foundation. Each of these elements is designed to carry specific types of forces, including compression, and their arrangement ensures structural stability and integrity.

In contrast, braces and trusses primarily provide lateral stability and strength, rather than vertical load bearing, which makes them more relevant in contexts of stabilization rather than direct load distribution. While beams and girders are also critical structural elements, focusing specifically on their function as horizontal supports rather than vertical members who primarily bear load makes them distinct from pillars, columns, and stanchions in this context. Lastly, posts and frames could describe supportive structures but are less specific in common terminology to the primary members actively involved in load distribution compared to the chosen answer.