Principal debt is the money that the client receives directly from the lender to solve the tasks of the loan. It does not include interest, penalties in case of late repayment, other types of charges due to changes in the terms of the agreement. When the contract is signed, payment requirements are spelled out. Borrowers usually make monthly payments in equal installments. The fee includes the body of the loan, bank interest and other payments that are part of the principal amount owed to the bank.

A HELOC (Home Equity Line of Credit) is a loan with an agreed repayment period, in which the borrower's real estate or his share in the real estate is pledged as collateral. In this case, the borrower does not receive the entire amount, as in a conventional loan, but gets access to a credit line, which may be then used at his or her own discretion and in any amount.

Broadly speaking, a security loan is a credit granted by a financial institution against the security of the borrower's property or assets. A security loan, in turn, has several varieties and classifications, in particular, regulating the extent to which the borrower is liable to the lender in the event of default.

A pay day loan is a type of short-term personal credit without collateral. The service got its name due to very popular need among the population to urgently get a small amount of money until the next paycheck. Pay day loans are mostly issued by microfinance organizations, but large banks do not refuse this segment of the credit market either.

An installment loan is a very broad term that essentially includes any loan with a clear repayment schedule and number of payments (installments). Therefore, in this sense, a standard mortgage contract is also an installment loan.

A hard money loan is a specialized type of asset-based lending by which a borrower obtains funds secured by real estate. Hard money loans are usually issued by private investors or companies. As with any other secured loan, the interest rate on such a loan is lower than usual due to the presence of a collateral.