- Principal
- The initial amount of money on which interest, returns, or tax liabilities are calculated.
- Interest rate
- The percentage charged or earned per period on the principal, expressed as an annual rate unless stated otherwise.
- Compounding
- The process by which interest is added to the principal so that subsequent interest is earned on the combined amount.
- Present value
- The current worth of a future sum, discounted at a given rate to account for the time value of money.
- PCI DSS level
- A key concept referenced by the PCI DSS Level: Determine your PCI DSS merchant level based on annual Visa transaction volume. Level 1 (6M+/year): annual QSA audit ($20,000–$70,000). Level 2 (1M–6M): annual SAQ. Level 3 (20K–1M): quarterly scan. Level 4 (under 20K): SAQ.
- PCI compliance level
- A key concept referenced by the PCI DSS Level: Determine your PCI DSS merchant level based on annual Visa transaction volume. Level 1 (6M+/year): annual QSA audit ($20,000–$70,000). Level 2 (1M–6M): annual SAQ. Level 3 (20K–1M): quarterly scan. Level 4 (under 20K): SAQ.
- Merchant level PCI
- A key concept referenced by the PCI DSS Level: Determine your PCI DSS merchant level based on annual Visa transaction volume. Level 1 (6M+/year): annual QSA audit ($20,000–$70,000). Level 2 (1M–6M): annual SAQ. Level 3 (20K–1M): quarterly scan. Level 4 (under 20K): SAQ.
- PCI DSS audit cost
- A key concept referenced by the PCI DSS Level: Determine your PCI DSS merchant level based on annual Visa transaction volume. Level 1 (6M+/year): annual QSA audit ($20,000–$70,000). Level 2 (1M–6M): annual SAQ. Level 3 (20K–1M): quarterly scan. Level 4 (under 20K): SAQ.
- Payment card compliance
- A key concept referenced by the PCI DSS Level: Determine your PCI DSS merchant level based on annual Visa transaction volume. Level 1 (6M+/year): annual QSA audit ($20,000–$70,000). Level 2 (1M–6M): annual SAQ. Level 3 (20K–1M): quarterly scan. Level 4 (under 20K): SAQ.