There are various types that aim to help us identify certain elements of a Website, such as type of Business, Country of origin, whether a Government-owned site, and School website.
Domain Name System (DNS) is a naming system for online services, computers, or any resources connected to the internet.

1. General Top Level Domain

.com = used for online business
.edu = used for educational institutions
.net = used from online companies to personal projects
.org = used for non-profit organizations
.co = used by a company
.biz = used for company names

2.Creative Top Level Domain

.tv = used for online television
.me = is used for personal branding projects
.expert = used to convey our authority to a specific matter
.guru = the function is the same as .expert
.io = is used for companies related to technology
.name = is used for special websites that serve each individual
.Bit = Binary Digit is digital telecommunications as well, all voltage levels are converted to binary data

3. Restricted Top Level Domain

.post = used by the post office
.gov = used for government sectors
.mil = used for websites related to the military
.museum = used by museums and related industries
.aero = used for the aerospace industry