Digital marketing is the use of online platforms and digital technologies to promote brands and connect with potential customers. It includes tactics like search engine optimization (SEO), social media marketing (SMM), content writing, and pay-per-click (PPC) advertising. The document outlines the key elements of a digital marketing strategy, explaining techniques like optimizing websites to rank higher in search engines or creating social media content to engage audiences. Digital marketing allows global reach at low cost and makes it easy to measure effectiveness through analytics. While requiring ongoing management, digital tactics provide fast, targeted, and measurable ways to reach new customers online.