| No | Term | Definition |
| 1 | Interest | The fees for borrowing money, or the money earned for investing in an investment |
| 2 | Principal | The total amount at funding or investing, excluding the amount of interest charged |
| 3 | Rate | The percentage of interest a borrower pays for the use of money |
| 4 | Time | The period (in terms of years) to pay off the loan |
| 5 | Maturity value | The total amount to be paid at the end of the loan period, or total amount received from an investment |
| 6 | Promissory note | A written promise to pay a certain sum of money at a specific future date |