Dolar Estadounidense
In short
This question is in Spanish. In English it is US dollar. This question is in Spanish. In English it is US dollar, the official currency of the United States of America.
In plain words
It is the money used in the US. It is one of the most important currencies in the world for international trade and banking.
A simple example
If you travel to New York, you will use US dollars to pay for your hotel and meals.
Why it matters
The US dollar is used globally to price commodities like gold. Recent market trends show it rising against major trading partners ahead of key economic reports.
Easy to mix up
Do not confuse it with the Australian dollar or other currencies that use the symbol '$'.