The context menu is used for quick access to monitoring and wake-up functionality.

Right click on a computer or device to open the context menu.

The context menu contains the exact same commands as the computers task pane. 

You can quickly run a client action like wake-up: 

Or you can quickly enable/disable monitoring with a single click on the context menu: 

For more details have a look at the computers task pane.

Computer commands in task pane 

Device properties

Computers page tab