• 番号ばんごう — number
• 信号しんごう — traffic light / signal
• 記号きごう — symbol
• 号外ごうがい — extra edition (newspaper)
• 年号ねんごう — era name
• 怒号どごう — angry shout

The kanji 号 originally depicts a mouth exhaling or shouting. It conveys meanings related to calling, naming, or numbering. In modern usage, it appears in edition numbers, traffic signals, and symbolic labels.