This is the 843rd most frequent Persian word.
بنیاد
Foundation; base; institution.
The word 'بنیاد' is used metaphorically to represent the essence or basis of something, in this case, culture.
بنیاد فرهنگ ایران قدمت زیادی دارد.
The foundation of Iranian culture has a long history.
Here, 'بنیاد' is used literally to refer to the structural base of the building.
این ساختمان روی بنیاد محکمی ساخته شده است.
This building is built on a strong foundation.
In this sentence, 'بنیاد' refers to an organization or institution aimed at providing aid or support.