This is the Japanese word for "contact," and it's used in all sorts of situations, just like its English counterpart. If you happen to see this word on a train sign or hear the conductor announce it on the train, however, it means that this train will make contact with another train.
In otherwords, if you're on a futsū
local train, they'll tell you at what station it stops at the same time as a tokyū
express train-- feel free to hop from the local to the express, or vice versa, to save time in your journey!By Edward Ellwood