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

a pine tree / a pine branch decorated for the celebration of New Year / the highest rank of a 3-tier ranking system

a surname

pine tree

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

(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