The Debug menu controls the launching of executables, attaching to running executables and waiting for executables to start.

Debug menu
Launch...
displays the launch process dialog.
Debug menu
Attach to process...
displays the attach to a running process dialog.
Debug menu
Wait for process to start...
displays the wait for a process to start dialog
Debug menu
Pause
pause debugging - debug events will not be collected.
Debug menu
Resume
resume debugging - debug events will be collected.
Debug menu
Abandon
stop debugging.
Debug menu
Loaded DLLs...
displays the list of loaded DLLs.