• 条約じょうやく — treaty
• 条件じょうけん — condition / requirement
• 条文じょうぶん — legal article text
• 条理じょうり — logic / reason
• 信条しんじょう — creed / belief
• 箇条書かじょうがき — bullet-point list

条 originally showed a branch or twig (with 木), symbolizing something slender or extended. Over time, it came to mean a “strand” or “clause,” eventually becoming the standard word for articles in laws, contracts, and structured texts.

条約じょうやくが 結むすばれた。
The treaty was signed.

条文じょうぶんを 正確せいかくに 読よむことが 必要ひつようだ。
It’s necessary to read the legal articles carefully.