Definition: Official designation for currency in some parts of the world, including Canada, the United States, Australia, New Zealand, Hong Kong, and elsewhere. Its symbol is $.

Alright class, settle down, let’s take a look! You've asked about “dollars,” a word that's quite a treat, It’s more than just a number, can’t be beat! The dictionary tells us, clear and bright, “Dollars” are money, shining like light! They’re the official name, you see, For currency in lands for you and me. Think Canada, USA, Australia too, New Zealand, Hong Kong – a global view! And look at the symbol, simple and bold, Just a little dollar sign, stories to be told. "$" – that’s the mark, you understand, For buying things across the land! So "dollars" mean money, ready for trade, A valuable resource, expertly made! Any questions popping up in your head? Don't hesitate to speak, Let's make sure this lesson is perfectly unique!