Digital marketing is marketing products or services using digital technologies on the internet and mobile phones. It consists of SEO, PPC, SMM, and content writing. SEO involves optimizing websites to rank higher in organic search results. PPC is pay-per-click advertising where advertisers pay to display ads to targeted audiences. SMM uses social media as a marketing tool to increase brand exposure and customer reach. Content writing provides relevant content for websites to attract and engage target audiences. Digital marketing allows targeting the right audiences, engaging with them to motivate actions, and maximizing return on investment.