DNS stands for Domain Name System and is a system that points a domain name to physical IP address. When a user types in ‘www.example.com’ in their browser and hits enter, the DNS servers direct it to the IP address where the website is hosted.
A IP address is an Internet Protocol addresses and have numerical labels assigned to each device connected to the internet. They allow computers to communicate with each other over the internet.
Every domain has a single entry in the system to organise domain names and translate them from words to numbers. This system operates in the background.
Domain Name System (DNS) is also described as DNS settings, DNS records or Resource records, depending on the provider you bought your domain through.