At first glance, real estate finance lending means borrowing money from banks and lending institutions for real estate purposes. However, the meaning has

Is peer lending applicable outside of real estate, such as in finance?

Of course! Peer-to-Peer lending is actually more developed in the financial sector, for example via websites like LendingClub. You now also have platforms on which you can finance invoices from businesses.

Note that I have a website on which I share information about my journey as a Peer-to-Peer lending investor: http://smartp2plending.com/