.mil is the top-level domain name (TLD) used for U.S. military websites. It stands for "military" and is exclusively used by the United States Department of Defense. However, there are several words that can be used as synonyms for .mil, such as military, armed forces, defense department, and Pentagon, among others. These words represent the formidable power and prestige of the U.S. military and its critical role in national defense. In addition to the various synonyms, there are also many other TLDs used by different organizations, such as .com, .org, .gov, and .edu, among others. These TLDs help to differentiate and identify various types of websites.