(literally) characters written in red / (business) red ink, deficit, in the red / corrections (by a teacher or proofreader) written in red.

this year, the present year

this year

this year, the present year

(business) a company

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

Alternative spelling of 私達 (“we; us”)

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

a personal or private matter / (by extension) selfishness

personal, private / secret