This is the 7793rd most frequent Swedish word.
tåg
Train.
In this sentence, 'tåg' is used to refer to a means of transportation, specifically a train.
Jag väntar på tåget vid stationen.
I am waiting for the train at the station.
Here, 'tåg' is used metaphorically to describe a sequence or formation resembling a train.
Barnen lekte tåg och följde varandra i en rad.
The children played train and followed each other in a line.
In this instance, 'tåg' again refers to the mode of transportation, emphasizing the action of traveling by train.