There are several ways of promoting any product online these days. Article Marketing is one major way of driving tons of traffic to your websites or blog and hence making more sales from your business.

Simply:
Article Marketing involves writing of top quality articles that are centred around your product or business and submitting it to Article directories.

Article directories are PR7 websites with high domain Authority. Which means, they have several thousands of monthly visitors. Some are know to have millions of monthly visitors. Examples are: Goarticles, amazine, articlebiz, Articlealley etc.

So, once you draft your articles, you can submit it to these directories for free.

NOTE: At the end of every article directories is a box called resource box. This is where you you are permitted to write some few lines of text with which you can promote your products and services.

By so doing, anyone that read through your articles and picked interest in your product can click on the link you provided at the resource box to see your business.

Guest blogging is also a form of Article Marketing with which you find blogs and websites that relates to your niche. Write for them and include 1 or 2 links back to your business page (website or blogs).

Advantages:
*You drive tons of traffic over time.
*Your website or blog get backlinks. Hence an increase in its domain Authority.
*More sales and lot more.

In summary, that's article Marketing in it's purest form.
Meanwhile, there's more to it than this.
If you'd like to know more about article marketing, i have written here:

The Secrets of Article Marketing:
How do you go about earning a living writing articles online.?
How do you write articles very fast and easily.?

(A Comprehensive Guide)

https://www.wealthonnet.com/2022/05/secrets-of-article-marketing-earning.html