The first-level set of domain names are the Top-Level Domains, which are also called as TLDS. These Top-Level Domains are registered by Administered, Domain Name Registrars, etc. Internet users encounter Top-Level Domains each time as they access the internet. Top-level domains help in identifying the type of an organization. They contain three or more letters, usually describing the group. It can also be defined as the remaining part of the domain name. Top-Level Domains includes: * Generic Top-Level Domains (gTLDs) * Prominent Domains like “.com, .net, .org, etc.†* Country Code Top-Level Domains (ccTLDs) For internet users, it’s not difficult to identify the Top-Level Domains, when they access the Internet. One can choose specific Top-Level Domains as per the nature of the website like educational, traveling, language, commercial, etc. There are Twenty Generic Top-Level Domain Extensions, in which some are highly renowned in comparison to others. http:// blogs.weblinkindia.net/2010/10/28/identifying-top-level-domains/ Weblinkindia.net
You should post this on your forum, not here. We are professional domainers, we all know what's a gTLD and a ccTLD. Did you know that two letters TLDs exist ? : These 3 ccTLDs works like gTLDs -->