It's where you
start every activity and process. "Start to shutdown the computer" "start to run a command" "start to run a program" "Start to change some settings". It in the passive voice describes what you are going to be doing in there: Starting some activity, process, program, change, access, whatever.
Start > Programs > Maxis > SimCity 2000 is psuedocode for what I just did. I started a program by Maxis called SimCity 2000
Four Squares in a Grid Button > All Apps > EA Games > Sim City 4 describes crap I'm clicking on in the UI, nothing about what I'm doing.