Digital marketing refers to the use of electronic media to promote and market products and services. It includes a range of tactics and strategies, including:

1. Search engine optimization (SEO): This involves optimizing your website and its content to rank higher in search engine results pages (SERPs).

2. Pay-per-click (PPC) advertising: This involves placing ads on search engine results pages or other websites and paying each time someone clicks on an ad.

3. Social media marketing: This involves using social media platforms, such as Facebook, Twitter, and Instagram, to promote your business and engage with customers.

4. Email marketing: This involves sending marketing messages to a list of email subscribers.

5. Mobile marketing: This involves promoting products and services to mobile device users through SMS messaging, mobile apps, and other mobile-specific channels.

6. Content marketing: This involves creating and distributing valuable, relevant, and consistent content to attract and retain a clearly defined audience, and ultimately drive profitable customer action.

7. Influencer marketing: This involves partnering with influencers (individuals with a large social media following) to promote your products or services.

These are just a few examples of the types of tactics that can be included in a digital marketing campaign.