PPC
PPC is an online advertising model where advertisers pay each time a user clicks on their ad, commonly used on domain parking pages and search engines.
An arrangement where a domain owner allows another party to use a domain name for a recurring fee without transferring ownership.
Secondary domain sales market
Attempt to register an expiring domain
A domain consisting of exactly four numeric digits followed by .com, with only 10,000 possible combinations.
Domain Name System
A professional intermediary who facilitates domain name transactions between buyers and sellers, typically earning a 10-20% commission.