Here are the meanings of the common domain name extensions:
.COM: An abbreviation for the word "commercial", meaning commercial. It is the most popular domain name extension in the world today. Most businesses want to own a domain name of this type because it affirms the high position of the business on the Internet.
.NET: Abbreviation for the word “network”, meaning network. Commonly used by Internet service providers, website companies, and other organizations that have a direct connection to the Internet infrastructure. In addition, companies often choose .NET domain names for websites on the Intranet.
.ORG: Short for the word “organization”, which means organization. Commonly used by non-profit organizations and commercial affiliates.
.BIZ: Used for small websites.
.INFO: Usually named for reputable “resource” sites and is the hallmark of a resource site. This is also the most popular extension right after .COM, .NET, .ORG domain names.
.VN: Abbreviated for "Vietnam", is the national domain name of Vietnam. This domain name is recommended for domestic businesses. It has the power to protect the brand and affirm its reputation on the Internet with customers. Usually, Vietnamese businesses always want to own domain names ending in .COM and .VN.
.US: An identifier for US websites. It has the largest number of reserves available today.
.CC: This used to be the country code for Coco's Keeling Island. It allows unlimited registration from anyone, in any country.
.BZ: Designed as Belize's country code, now often registered by small businesses when they can't afford domain names
.BIZ: It also allows unlimited registration from anyone, in any country.
.TV: Reflects the diverse, multi-traditional content of a website, often used in the media and entertainment industry.
.GS: Is the country code for the island of South Georgia & South Sandwich. It allows unlimited registration from anyone, in any country.
.WS: Originally the country code for Western Samoa, it is now often used as an abbreviation for the website. It allows unlimited registration from anyone, in any country.
.NAME: is a special type of domain name used only by individuals. It is often used to make it easier for people to remember someone's email address or personal website and often displays pictures or personal information about this person.