Noun, used as a suffix
not exceeding ...; not more than ...; ... and under; ... and below; ... or fewer
１６歳以下の子供は劇場には入場できません。Children of age sixteen and under will not be admitted to the theatre. below (a standard, level, etc.); under; beneath; less than
Noun, Noun which may take the genitive case particle 'no'
the following; the below-mentioned; the rest; followed by ...
Noun, used as a suffix
including ...; ... and other (employees, officials, etc.)
used to refer to all members of a group, starting with the head or principal figure
Also written 已下【いか】