Digital marketing is the use of various online channels, such as search engines, social media, email, and websites, to promote a product or service. It allows businesses to reach a large number of potential customers at a relatively low cost.

Some common digital marketing strategies include search engine optimization (SEO), which aims to improve a website's visibility in search engine results pages; pay-per-click (PPC) advertising, which allows businesses to bid on keywords and display ads in search engine results pages; content marketing, which involves creating and distributing valuable, relevant content to attract and engage a specific target audience; and social media marketing, which involves using social media platforms to promote a product or service.

Email marketing is also a part of digital marketing, Email marketing allow you to personalize message and directly target customers with tailored message that is designed to engage and persuade them to take a particular action such as make a purchase or sign up for a service.

In order to be successful in digital marketing, businesses should have a clear understanding of their target audience, as well as the channels that will be most effective for reaching that audience. They should also have a clear set of goals and metrics to measure the success of their campaigns, and should continually test and optimize their strategies based on the results they are seeing.

If you are thinking about starting a digital marketing business, there are many things to consider. It's important to have a deep understanding of digital marketing strategies and tactics, as well as the tools and technologies that are used to execute them. You'll also need to be able to identify and target the right audiences, and have the ability to create and distribute high-quality content that will engage and persuade them. Additionally, you'll need to be able to measure the results of your campaigns and make data-driven decisions based on your findings.

It's also important to note that digital marketing is a constantly evolving field and it will be important to stay up-to-date with the latest trends and best practices, as well as any new technologies and platforms that emerge.