Crossword puzzle clue "hit sign"

Good sign or bad sign

Warning sign at a train station's food court? (NOTE: The original sign, without my additions, actually exists. It's in Grand Central Terminal in NYC, on the lower level — the food court level. The sig

Sign of danger — sign of socialism

Pre-sign sign

Swedish pop group whose 1994 hit "The Sign" was #1 for six weeks

Sign of a big hit

Swedish group with the 1993 number one hit "The Sign"

Sign outside a hit show