Basic Credit
The ability to obtain goods or services before payment
Loans, Student Loans, Morages
Costs associated with Credit: Character, capacity, credit worthiness, collateral
Credit Cards
Are ways to purchase items
Then you can use credit cards on pretty much everything
Its not good to have bad credit
You might not qualify for houses or credit cards if you have bad credit. They look into your account and look at your information of credit history.
If you don't pay for your credit cards then you can get can get charged interest
Depending on how your your credit bureau sees your credit score