Operation-tree and Operation-list
The Operation-tree and the Operation-list are located on the first two tabs in the Operations/Navigator pane, by default along the left hand side of the Main window.
Futhermore, both lists contain a number of commands to create objects, show objects, edit objects, open the pixel information window, start sampling, etc.
Tips:
To start an operation:
You can also choose an operation from the Operations menu.
For more information, see How to start operations or Main window : Operation-tree and Operation-list.