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 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.
A credit card is something you can use to buy things if you do not have any money of your own. You then pay the money back in instalments, or all at once if you want. If you take a long time to pay it back, you get charged extra money in the form of interest.