The Personify WSD Tools pane consists of the following collapsible/expandable groups, as shown below.
Standard Tools
Pointer
Entity (Read-only)
Entity (Read/Write)
Entity (View)
Entity (Service Parameter)
Association
Service operation
Entities - Library of Entities
Service Operations - Library of Service
Associations - Library of Associations
This pane as a whole or the tabs individually is resizable, floatable, and dockable similar to Visual Studio.