Dell XPS 14z Keyboard Layout

Sounds crazy.. But just got an XPS 14z..which so far I reallfy love.. but I dont know what 5 keyboard buttons/signs do/ mean.. There is no informatoin in quick start or manual...   Does anyone know where to get a keyboard glossery.   I am not taking keyboard a part -just trying to understand function keys thanks!

I have just spent an hour on the phone and online with THREE guys (all in India of course) who couldn't answer the question, gave obviously wrong answers, and were unable to point to this information anywhere (one claimed that all keyboards are alike and use international symbols that are the same. if this were the case, my keyboard on this laptop would look and act ike the one on my OTHER laptop). So if any DELL people actually read these boards, SHAME ON YOU!