What is the meaning of bottleneck in the context of computer hardware?

What is the meaning of bottleneck in the context of computer hardware?

کمپیوٹر ہارڈویئر کے تناظر میں رکاوٹ کا کیا مطلب ہے؟
Explanation
In the context of computer hardware, the term "bottleneck" refers to: A component that limits the potential of other hardware