Usage patterns
〈数〉番線ホームplatform number ...
The next train departs from platform 3.
ホームで〈物〉を待つto wait for (a train) on the platform
She was waiting for the train on the platform.
〈物〉がホームに入るfor (a train) to pull into the platform
The train pulled into the platform.
ホームから落ちるto fall from the platform (onto the tracks)
An accident occurred where someone fell from the platform at a crowded station.