This image shows the "Select widget" dialog box. This dialog box has the following tabs: All (Selected), Jobs, Monitoring, Storages, and Notebook. 

The All tab contains the following widgets: 
"Job history", "Recent jobs", "Cluster memory", "Cluster CPU", "Cluster nodes", "Yarn Queues", "Storage details", "Node widget", and "Paragraph widget". 

There are two buttons: Add and Cancel.