This document provides an overview of pay-per-click (PPC) advertising, detailing how it allows advertisers to pay for ads based on user clicks to increase website traffic and leads. It contrasts PPC with search engine marketing (SEM) and search engine optimization (SEO), outlining the benefits of PPC, such as targeted advertising, cost control, and measurable return on investment. Additionally, it lists various types of PPC ads and popular platforms like Google Ads, Facebook, and Instagram for executing effective campaigns.