This is the 9409th most frequent Japanese word.
秋まつり
"秋まつり" (Akimatsuri) means "autumn festival."
In this sentence, '秋まつり' refers to a specific seasonal event that celebrates autumn and its associated cultural and community activities.
秋まつりでは、地域の特産物が販売されます。
At the autumn festival, local specialties are sold.
Here, '秋まつり' indicates the setting of the festival where community and recreational activities take place.
子供たちは秋まつりで楽しいゲームに参加しました。
Children participated in fun games at the autumn festival.
In this sentence, '秋まつり' is used generically to describe a cultural tradition occurring in many locations to mark the season and its importance.