File terminology

1. A billing file would have one record for each customer
2. A billing record would have one file for each customer
3. A billing file would have one field for each customer
4. A billing field would have one record for each customer
5. A billing file would have multiple records for each customer
6. A billing record would have one field for each customer
7. A billing record would have multiple fields for each customer
8. A billing file would have several records for each customer