Englishfor English speakers
factor
Noun
—
A factor is one of a number of things that causes a result.
The main factor in the success of our program is our excellent teachers.
payment
Noun
—
A payment is some money that someone is giving to someone else when they're buying something.
I sent the things they wanted, but I haven't gotten the payment for them yet.
—
Payment is the act of paying.
I usually use my credit card for payment.
Late payment of fees will end the contract.