Crossword clues for It's a sign:SIGNBillboard, e.g.SIGNSLeo and Libra, e.g.SIGNWalk, or "Don't Walk," for instance.SIGNCattle Crossing, for instance.SIGNNo Passing, for instance.SIGNSAnimal tracks.SIGNSCrossroads phenomena.SIGNSBroadway specialties.SIGNSSpecial features of Broadway.SIGNCrossroads feature.SIGNEngage.SIGNSSpeedway items.SIGNNot working, for example.SIGNFlat or sharpSIGNNo ExitSIGNNeon, for one.SIGNEHasso.SIGNCatcher-pitcher ploySIGNSSemiotics subjectsSIGNWhat's your ___?SIGNCatcher's gestureSIGNEDTalked with one's hands?SIGNTraceSIGNEDPut one's John Hancock onSIGNVirgo or Gemini, e.g.SIGNEStockholm's HassoSIGNWord after peace or plusSIGNUse ASL, saySIGNAquarius, for exampleSIGNSay "cheese" by rubbing one's palms together, e.g.SIGNPlus or minusSIGNEHasso from StockholmSIGNEmulate Button GwinnettSIGNESwedish actress HassoSIGNAries or Aquarius, e.g.SIGNSValidates a contractSIGNSSpeaks with one's handsSIGNEDWrote one's John Hancock onSIGNS2002 thriller with aquaphobic aliensSIGNHarbingerSIGNCommunicate with one's handsSIGNSPosters.SIGNPicnic Area Ahead, for one.SIGNSCloses a dealSIGNThe ___ of the FourSIGNEmulate Charles CarrollSIGNNot just initialSIGNRally placardSIGNAccommodate an autograph houndSIGNSM. Night Shyamalan film