What is the primary purpose of a "Proxy Server" in a network?

What is the primary purpose of a "Proxy Server" in a network?

نیٹ ورک میں "پراکسی سرور" کا بنیادی مقصد کیا ہے؟
Explanation

A Proxy Server primarily routes TCP/IP requests between clients and servers, enhancing security, privacy, and network performance.