What are the two division modes of top-level domain names?

What are the two division modes for top-level domain names?

Organizational modeandGeographical mode

Domain names are composed of two basic types: domains named after organizational categories and domains named after geographic codes.

Common domains named after organizational categories generally consist of 3 characters, such as "com" for commercial institutions, "edu" for educational institutions, etc.

A domain named after a geographical code, generally represented by two characters, is set for each country and some special regions in the world, such as "cn" for China, "jp" for Japan, and "jp" for the United States. "us'', etc.

However, "us" is rarely used as the top-level domain name in the United States, and domain names named after the nature or category of the organization are generally used.

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