Digital marketing refers to using digital channels and technologies to promote products and services to a targeted audience. It has evolved from traditional marketing methods and become integral to modern businesses. The key components of digital marketing include search engine optimization, social media marketing, content marketing, email marketing, and pay-per-click advertising. Digital marketing allows increased reach and engagement with a global audience, is often more cost-effective than traditional methods, and enables measurable results through analytics. As the digital world evolves, embracing digital marketing has become imperative for businesses to succeed.