In APIRunRun interface, the Categories column shows the categories are they are on your front office (online shop), and you can quickly display the products present in each.
Indeed, you simply select a category and automatically all products within it are displayed in the central column.
You can also display products present in a parent category as well as the ones present in all sub-categories by enabling the option located on the category toolbar as the icon .
This allows you to work on a complete range of products on a single page. A well thought ergonomy for a simple, fast and efficient catalog management!