1. "WWW" stands for World Wide Web, which was developed by CERN for Internet users to access all available information and multimedia resources. You can use a web browser application to access this information.

2. "com" is the most widely used universal domain name format internationally. Companies worldwide register their domain name with "com" and also have the option to select "net" or "org" as their international domain name. For example, "com" represents business enterprises, "xyz" represents creativity and innovation, and "net" represents internet service providers.