a name (word or phrase indicating a particular person, place, class, or thing) / (more specifically) a given name (excluding the surname)

a surname The 4th most common surname in Japan.

a circle / a sphere, ball / (by extension) any non-perfectly round objects, such as an oval / the "○" symbol, equivalent to a check mark in some other languages

(chiefly women's speech) first person singular pronoun: I, me

entirely, quite; completely; just like, so to speak, as though, as if

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me

personal, private / secret

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law