By nyctea_snow,ecruos
here is a list of Japan Train Class:
Local (普通/各駅停車/各停) stop at every station
Rapid(快速） skip a few stops
Area Rapid(区間快速) skip a few stops in a particular area
through Rapid(直通快速) Rapid train but operated to another line, can be operated by different companies
Commuter Rapid (通勤快速) Rapid train operated during rush hours
Special Rapid (特快速) used by Shintetsu Arima Line, a rapid train operated during rush hours
Yamatoji Rapid (大和路快速) used by JR West, operated in Osaka with a few JR lines
Miyakoji Rapid (みやこ路快速) used by JR West Nara line.
Takarazuka Rapid (丹波路快速) used by JR West, operated in Fukuchiyama Line and Tōkaidō Main Line
Kishuji Rapid (紀州路快速) used by JR West, operated in Osaka Loop line
Kanku Rapid (関空快速) used by JR West, operated in Osaka Loop line, go to Kansai Airport
Airport Rapid (空港快速) Rapid train go to/from airport, used by Tokyo Monorail
(New Rapid?)Special Raid (新快速) used by JR West, operate in Keihanshin and Nagoya
Special Rapid (特別快速) mainly used by JR, a rapid train is stop fewer stop than rapid(?)
Commuter Special Rapid (通勤特別快速) used by Chuo line, operate during rush hour
Chuo special Rapid(中央特快) Rapid train operated in Chuo line
ome special rapid(青梅特快) used by Chuo line
Semi Express (準急) Stop fewer than Rapid, more than express
Area Semi Express (区間準急) used by private company, skip a section of stop
Commuter Semi Express (通勤準急) used by private company, operated during rush hours
semi special express (準特急） skip stations at a particular section, used by Keio. has cancelled
Express (急行) express train
Area Express (区間急行) skip most sops in a particular area
Commuter Express (通勤急行) express train operated during rush hours
Airport Express (空港急行) express train go/from airport, used by Namkai
Steam Locomotive Express (SL急行) steam train go brrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr
Electrical locomotive express (EL急行) used in Ōigawa Railway Ōigawa Main Line
Rapid Express (快速急行) stops less than Express ,used by private companies
Commuter Rapid Express (通勤快急) used by Keihan main line, operated during rush hours
Speical Express (特急） Stop at majour station only
Rapid Special Express (快速特急) oh man…
Above information has not yet included some train that is exclusive to some company, like Keisei Skyliner…
with above information, you can go to Japan and take train very easily!!