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

私: I; first person pronoun

私たち: us; we

a line of text / (mathematics) a row of a matrix / (calligraphy) Abbreviation of 行書 (“semi-cursive script”).

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

(formal) we, us

Alternative spelling of 私達 (“we; us”)

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

a personal or private matter / (by extension) selfishness

personal, private / secret