Digital marketing refers to the use of digital channels and technologies to promote products or services to potential customers. It includes various strategies such as SEO, content marketing, social media marketing, email marketing, and paid advertising.

Digital marketing allows businesses to reach their target audience more effectively and efficiently. By utilizing digital channels, businesses can track and measure their marketing efforts and gain valuable insights into their customers' behavior and preferences.

SEO (Search Engine Optimization) is the practice of improving a website's ranking on search engine results pages (SERPs) to drive more organic traffic to the site. It involves optimizing website content, building backlinks, and improving site speed to improve the website's search engine visibility.

Social media marketing involves using social media platforms such as Facebook, Instagram, Twitter, LinkedIn, and others to promote products or services to potential customers. It includes creating and sharing content, engaging with followers, running ads, and analyzing performance.

Email marketing involves sending targeted promotional messages to a list of subscribers via email. It includes creating email campaigns, segmenting email lists, personalizing messages, and analyzing performance.

Content marketing involves creating and sharing valuable, relevant, and consistent content to attract and retain a clearly defined audience and drive profitable customer action. It includes creating blog posts, videos, infographics, and other types of content that educate and engage potential customers.

PPC (Pay-per-click) is a form of online advertising in which advertisers pay each time a user clicks on one of their ads. It includes running paid search ads on search engines, social media advertising, display advertising, and other forms of online advertising.

ROI (Return on Investment) is a measure of the profitability of an investment relative to its cost. In digital marketing, ROI is typically used to measure the success of marketing campaigns by comparing the revenue generated from the campaign to the cost of running the campaign.