The image shows a fragment's Design Time editor. When the Design Time tab is selected for a fragment, the Design Time editor shows a Components view on the left and a canvas on the right. The Components tab shows the fragment's input parameters under Input Parameters while dynamic components show under Dynamic Components.

Drag and drop items here to configure what the Properties pane's General tab will look like when the user selects a fragment on the page

A + Section button is also shown on the header.