Pay Per Click is a digital advertising model where advertisers pay a fee each time a user clicks on their online ad. It helps businesses reach targeted audiences quickly and drive traffic to their websites. TikTok is a popular short-video platform that allows users to create, edit, and share creative content with music, effects, and filters. It has become widely used for entertainment, trends, marketing, and brand promotion. Social media refers to online platforms where people connect, communicate, and share information through text, images, videos, and live streams. It plays an important role in communication, business marketing, and building online communities.