This is the 381st most frequent Persian word.
بهبود
Improvement.
In this sentence, "بهبود" points to the improvement in quality over time.
کیفیت خدمات آموزشی در این مؤسسه به تدریج بهبود یافته است.
The quality of educational services in this institution has gradually improved.
Here, "بهبود" refers to a positive change or progress in health conditions.
تلاشهای او نهایتاً به بهبود سلامت عمومی منجر شد.
His efforts ultimately led to an improvement in public health.
In this context, "بهبود" is about striving to make operational processes better and more efficient.