Series is a special post type that lists articles about a common topic. It has an introduction, featured image and its own title.
When the user is reading an article connected to a series he will be presented with a list of other articles in the series after he finishes reading
You will find series in the administration panel
When you create a new series you should treat it the same way as article: You should fill out a title, present the series with at least a short piece of text (some intro) and you should add a featured image.
Sometimes (during campaigns) you might need to use correct tags as well. For example during the CatchingBreath campaign in 2017 we used a tag „Catching Breath“ to correctly identify the series related to the campaign.
There are two ways to attach a post to series: