A bank is a place you go to deposit or withdraw money, or ask for a loan to buy a house or car. Bank buildings are not as common as they used to be, as you can now do a lot of banking via an ATM or over the Internet.
A bill is a document that says how much money needs to be paid for some goods or services.
It might also mean paper money, like a twenty dollar bill.
It might also be another word for a bird'sbeak.
It is also a shortened form of the name William.
A budget is a document where you keep track of the amount of money you have coming in and going out.
You might make a budget to keep track of your expenses when you are trying to save up to buy something.
A cheque, also spelt check in some countries, is a special piece of paper that represents an amount of money. It has information on it saying which bank account the money comes from, who owns the account and how much money it represents.
Coins are a type of money that are round and made from metal. Coins usually have the date they were made, the country they are currency of, the amount of money they are worth and some pictures of people or animals stamped on the sides.