What does 'DNS Leak Protection' mean?

DNS Leak Protection is a vital security feature designed to protect users' online privacy. It is a feature commonly found in many VPN (Virtual Private Network) software to prevent DNS (Domain Name System) leaks, which can potentially expose a user's online activities to their internet service provider (ISP) or any other unauthorized parties. So what exactly is a DNS leak? DNS works as a phone book for the internet, translating human-friendly domain names into computer-readable IP addresses. When a user enters a website