Credit Card Glossary of Terms

Additional cardholder means a person who you issue another credit card which is linked to the same account. i.e. If that additional person makes a transaction on their credit card it will appear on the same statement.
Business day means a day other than a Saturday or Sunday or a day gazetted as a public holiday throughout Australia.

Closing balance means is usually displayed on your monthly statement of your account. It is the amount you owe your credit card provider on the closing date, i.e. it is the amount of money you have borrowed from them on that particular date in time that you need to pay back to them.
Closing date - means the date that this statement recorded its last transaction for that statement period. Usually statements are sent out each month and so they need to set a date which next months transaction will report from. The closing date is the end date of that period in time.
Daily percentage rate means the rate determined by dividing your annual percentage rate by 365.
Statement period means the length of time that the list of transactions are reported on your credit card statement, i.e. normally this is 30 days but it may differ depending on which credit card provider you are with.