This is the 8784th most frequent Japanese word.
本線
"Main line" (e.g., a primary railway line or route).
In this sentence, “本線” (honsen) refers to a transportation term indicating the main railway line in a network. It highlights its usage in the context of describing primary transit routes.
次の駅は本線への乗り換え駅です。
The next station is the transfer station to the main line.
Here, “本線” signifies the main segment or part of a competition, showing its application in areas such as sports or events to indicate the primary proceedings.
競技では本線に進む選手が決定しました。
In the competition, the players proceeding to the main event were determined.
This usage of “本線” metaphorically represents the main topic or track of a discussion, demonstrating its figurative application in conversational or analytical contexts.