This is the 5285th most frequent Arabic word.
تستند
"تستند" means "is based on" or "relies on."
Here, 'تستند' is used to mean 'is based on,' indicating the foundational principles.
العمارة الإسلامية تستند إلى مبادئ الجمال البسيط.
Islamic architecture is based on the principles of simple beauty.
In this sentence, 'تستند' conveys the idea of relying upon something for decision-making.
قرارات المدير تستند إلى الحقائق والبيانات.
The director's decisions are based on facts and data.
The usage of 'تستند' here emphasizes the connection between the idea and the supporting scientific theories.