underscore
n//ˈʌn.dəˌskɔː(ɹ)//understreck, bakgrundsmusik, stryka under, betona, understryka
A line drawn or printed beneath text; the character _.
(music) A piece of background music.
(transitive) To underline; to mark a line beneath text.
(transitive) To emphasize or draw attention to.