This is the 3348th most frequent Japanese word.
旗艦
"Flagship" – the lead ship in a fleet or the most important or representative entity in a group.
旗艦 is used to describe the foremost and most representative product of a company.
その企業の旗艦製品は世界中で人気があります。
The company's flagship product is popular worldwide.
旗艦 refers to the primary and most significant store representing a brand or business.
新しい旗艦店が東京でオープンします。
A new flagship store is opening in Tokyo.
旗艦 in this sentence refers to the main ship within a naval fleet that acts as the command vessel.