There are two tips.  One is “Site Setting” which let you change the settings of your site. E.g. frame, permission, title, Icon, navigation, etc.

 

 

Second is the “Sync with onedrive”. 

 

 

After you click the button and follow the instructions, your PC would create a shortcut as “onedrive” in your local folder.

 

 

Also the shortcut would be displayed in your personal folder. E.g. c:\users\chiwai\