mark, symbol, insignia / a trademark, service mark / (computing) short for マークアップ (mākuappu, “markup”)

Mark (given name) / (computing) Mach kernel

to mark, to put a mark (on something) / to set a record (to achieve or note the most extreme example of some variable, such as the highest score in a sport)

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

personal, private / secret

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

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

a personal or private matter / (by extension) selfishness

private; mine

Alternative spelling of 私達 (“we; us”)