the.com/underline
A line that volunteers to carry whatever weight your words can't.
means A mark drawn beneath text to emphasize it, mark it, or signal a clickable link.
from Literally under plus line, from the Old English under and Latin linea, a flaxen thread once snapped across paper to guide the hand.
Web ruleUnderlined text online almost always means a link.
Typography tabooDesigners prefer italics; underlines were a typewriter workaround.
Verb lifeTo underline now means to stress a point.