Define an annuity in general terms. Describe the cash flows related to an annuity from the viewpoint

Question:

Define an in general terms. Describe the cash flows related to an from the viewpoint of the lender in terms of receipts and payments.
Annuity
An annuity is a series of equal payment made at equal intervals during a period of time. In other words annuity is a contract between insurer and insurance company in which insurer make a lump-sum payment or a series of payment and, in return,...