The "Dólar" is the official currency of the United States, symbolized as $ and often referred to as USD (United States Dollar). It is widely used in international trade and is considered a global reserve currency, meaning many countries hold it as part of their foreign exchange reserves. The Dólar is subdivided into 100 smaller units called cents. It is issued by the $Federal Reserve, the central bank of the United States, and is used in various forms, including coins and paper bills. The value of the Dólar can fluctuate based on economic conditions, interest rates, and inflation.