Digital marketing refers to the process of promoting and selling products and services using digital technologies, such as the internet, social media, mobile apps, and other digital channels. Digital marketing can be used to reach and engage customers online, and it can include a variety of tactics, such as search engine optimization (SEO), content marketing, email marketing, social media marketing, pay-per-click advertising (PPC), affiliate marketing, and more. The goal of digital marketing is to reach and connect with customers where they are, and to help businesses reach their marketing and sales objectives through the effective use of digital technologies.