The dollar sign, also known as the peso sign, is a currency symbol consisting of a capital s crossed with one or two vertical strokes ($ or … · in summary, the dollar symbol ($) signifies a unit of currency and is primarily associated with the united states dollar. · a dollar sign ($) is the symbol found on the same key as the number four (4) key on united states qwerty keyboard. Dollar sign, $, symbol that represents the dollar, the name of the standard monetary unit used in the united states, canada, australia, new … The $ (dollar sign) symbol is used to represent various forms of currency around the world, notably the united states dollar.