The com domain is called a top-level domain (TLD). Top-level domains are the largest category of organization on the web.

Which of these top-level domains are used to categorize the World Wide Web?

.com for commercial use.org for organizations.at, .br, and .cn for countries like Austria, Brazil, and China

Nice! You've probably seen most of these while browsing the World Wide Web.

All of these are top-level domains that exist to organize the World Wide Web.