• 団体だんたい — organization / group
• 集団しゅうだん — group / mass
• 軍団ぐんだん — army corps
• 楽団がくだん — orchestra
• 劇団げきだん — theatrical troupe
• 団結だんけつ — unity / solidarity

The kanji 団 combines the radical 囗 (enclosure) with a phonetic element 專. Its form suggests something enclosed or rounded, symbolizing a cluster or group. In modern usage, it appears in many words for organized or collective entities.