dot com
computer... or complementary... i 4-get
dot com [www.blank{.com}]
Acording to reliable sources, dot com stands for commercial, dot gov stands for government, dot edu is for education, dot ro is for Romania. The list goes on.
"commercial", as opposed to "gov" for government, "mil" for military, "net" for network, "edu" for educational and "org" for organization.