Toolbox
Select View > Toolbox to display the Toolbox.
The Toolbox contains tools for creating and editing objects. Most of the tools and functions in the Toolbox can also be accessed from the Tools and Mesh menus.
Create, Modify, and Part Tabs
The Toolbox is divided into three tabs: Create (with tools for creating objects), Modify (with tools for editing objects), and Part (for creating parts).