The dollar sign ($) is a currency symbol used to represent monetary values denominated in dollar-based currencies. Dollar sign, $, symbol that represents the dollar, the name of the standard monetary unit used in the United States, Canada,. Meaning, Usage, and Cultural Impact. If you find this information valuable, you might also appreciate our comprehensive exploration of AuronPlay Vs Harry Styles House And Cars Comparison which further elaborates on the core themes addressed in this section.