USD stands for United States Dollar, which is the official currency of the United States of America. It is widely recognized as one of the most powerful and influential currencies in the world. The USD is used not only in the United States but also as a global reserve currency, making it a crucial component of international trade and finance. Its symbol is $, and it is subdivided into cents. The USD’s value is influenced by various factors, including economic indicators, monetary policy decisions, and geopolitical events.