General term for a flag, banner, or pennant. Used in sports, events, and symbolic contexts.
スタートの合図でフラッグが振られた。
The flag was waved as the start signal.
彼はゴールにフラッグを立てた。
He planted a flag at the goal.
The official waved the checkered flag at the finish line.
They set up flags at each point along the course.
They hoisted a large flag at the stadium entrance.
flag carrier (airline)