What does this article tell you? What does it not tell you? For example, in the article on gift cards, quickly explain the difference between gift cards and vouchers and link to the article on vouchers.
What conditions have to be met for this information to be applicable? Which settings have to be adjusted, which plugins have to be activated, which previous knowledge is assumed by the article?
What does the feature do? How do you use it? How do you apply it to your individual use case? This is the main body of the article.
What are common problems that could be encountered here? How do you solve them?
What other media do we have on the subject? Youtube videos, PDF handouts, vendor documentation (for plugins etc.) etc.? Link it here and explain what it does
Link to other relevant guides, for example, in the case of Payment Providers, link to the articles on payment settings and plugins. Do not link to pages already linked underneath the title heading, prerequisites, or further information.