While creating the newsletter you can insert an article by scrolling down to the desired Content Area and clicking Add.
On the right hand-side you can see the structure of the chosen layout template displayed in the Structure Graphics. Dependingon the selectedtemplate, there aredifferentcontent areas where you can add as many articles as you need.
Click on +Add Articleand select the article you want to use from your Article data base. You can give titles to your content areas, position the selected articles in a sequence, provide them with a filter, remove and replace them.
Click Save on the disk on the right hand-side once you are pleased with the arrangement of your articles.