1. under (guidance, supervision, rules, the law, etc.)
oft. as ...の下に or ...の下で
2. under (a flag, the sun, etc.); beneath
3. with (e.g. one blow); on (the promise, condition, assumption, etc. that ...); in (e.g. the name of ...)
as ...の下に
4. (someone's) side; (someone's) location
usu. written as 元