Meaning of face to face

(adv) involving close contact; confronting each other; "the boy and the policeman suddenly came face-to-face at the corner"; "they spoke face to face"

directly facing each other; "the two photographs lay face-to-face on the table"; "lived all their lives in houses face-to-face across the street"; "they sat opposite at the table"

within each other's presence; "she met the president face-to-face"