The image shows the editor for configuring the sections displayed in a container in a page. The editor contains a list of rules in the left pane, and the rule details in the right pane. In this image, the read-only built-in rule is selected in the left pane. The right pane displays the rule condition at the top, and a list of the sections displayed by the rule.

In this image, the cursor is hovering over the Rule Editor button in the Properties pane.