• 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.