In the top right corner you will find the section Info. Here you will find information about the priority plan's mode or layout. You can double-click here to change the mode. You can also change the mode by using the Info menu when right-clicking in the priority plan. You can shift between:
Filter
When using a filter on incorporated material (see the Info menu), the heading Filter: and the filter definition are shown in a yellow box.
A filter has been selected in the priority plan.