(1)人
包括自然人和法人。

(2)非法人组织；委员会

(3)主干；主体；(人的)躯干；树干

(4)(文件的)主要内容；正文

(5)(视作整体的)一群；一批；一套

(6)物体

• firma burgi
• firma feodi
• firman
• firmaratio
• firmarium
• firmarius
• firm bid
• firme
• Firmior et potentior est operatio legis quam dispositio hominis.
• firmitas
• firmly
• firm name
• firm name and style
• firm offer
• firmura
• first aid clause
• First Amendment
• first annual election
• first bite
• first blush rule
• first board
• first-class investment
• first-class mail
• first-class misdemeanant
• first-class state of repair