SusQtech's communication tools utilize SharePoint as a single, integrated platform to communicate with customers, members, employees, vendors, partners, board members, analysts and anyone else with a connection to the Web.
Intranet Solutions - allow staff with access to your network to communicate with each other and the organization
Extranet Solutions - allow customers, members, partners and those with an established relationship to communicate with each and the organization through a secure interface
Internet Solutions - allow the organization to communicate with the public at large through Web sites.
Wikipedia: Communication is a process that allows people to exchange information by one of several methods.