Digital marketing refers to promoting brands online using methods like search engines, social media, email and websites. It allows businesses to efficiently connect with potential customers. The key aspects of digital marketing include search engine optimization (SEO) to rank higher in search results, social media marketing (SMM) to engage audiences, pay-per-click (PPC) advertising, content writing, and using metrics to measure performance. This document provides an overview of digital marketing strategies and tactics that can help businesses reach the right audiences and motivate them to take action.