A keyboard shortcut. Access keys are defined by a single character, e.g. "n" to create a new tiddler. ''However'', each browser and operating system has a different mechanism for activating it, e.g. on Firefox, you'll need to type "ctrl-n". Following is a list of known browsers and shortcuts: |Chrome|| |Firefox|Ctrl| |IE|| |Opera|| |Safari|~Ctrl-Alt| @ EXPERT - need to fill this in for mac and windows