What do you call the keyword in a domain name?

What is the official name of keyword in a domain name? What do you
call the keyword in a domain name? Say, [url]www.google.com[/url], [url]www.yahoo.com[/url],
[url]www.facebook.com[/url], [url]www.msn.com.hk[/url], [url]www.example.org.de[/url], what do you call
"google", "yahoo", "facebook", "msn", "example" in these domain names?
What term do they have?

In article
<fc0461c4-a8d6-4114-962d-4cc4b4f5608b@r37g2000prr.googlegroups.com>,
Phper <hi.steven.tu@gmail.com> wrote:
[color=blue]
> What is the official name of keyword in a domain name? What do you
> call the keyword in a domain name? Say, [url]www.google.com[/url], [url]www.yahoo.com[/url],
> [url]www.facebook.com[/url], [url]www.msn.com.hk[/url], [url]www.example.org.de[/url], what do you call
> "google", "yahoo", "facebook", "msn", "example" in these domain names?
> What term do they have?[/color]

Each piece of a domain name is called a label. So [url]www.google.com[/url]
consists of three labels: "www", "google", and "com".

See RFC 1034.

--
Barry Margolin, [email]barmar@alum.mit.edu[/email]
Arlington, MA
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