To set your own categories, you need to select the Categories module in the administrator panel. Then click the Add category button.
You may add a subcategory by clicking on the green plus icon.
You may enter edition mode by clicking on the middle icon.
If you do not need a given category you may delete it with the red icon,
Editing a selected article category allows you to choose a color scheme for that category. The selected color will be visible on the main page of the portal.
We have selected the color orange for the News category. Thus, the Latest News main page widget in which articles from the News category are visible, is orange.