Digital marketing encompasses all marketing efforts that use an electronic device or the internet. Businesses leverage digital channels such as search engines, social media, email, and websites to connect with current and prospective customers. It allows for targeted, data-driven marketing strategies, enabling personalized and measurable interactions with audiences. Key components include Search Engine Optimization (SEO), Content Marketing, Social Media Marketing, Pay-Per-Click (PPC) Advertising, Affiliate Marketing, and Email Marketing. Digital marketing is essential in today's digital age as it offers a cost-effective way to reach a global audience and provides valuable insights into consumer behavior.