Blitz refers to a rapid and intense military attack, often characterized by surprise and overwhelming force. The term gained prominence during World War II, particularly in relation to the Blitzkrieg strategy used by Germany, which aimed to quickly incapacitate enemy forces through coordinated air and ground assaults. In a broader context, "blitz" can also describe any swift and concentrated effort to achieve a goal, such as a marketing blitz to promote a product or a study blitz before exams. This usage emphasizes speed and intensity in various fields, from business to sports.