Hypernyms for "sign"

alarm alarum alert all clear animal communication autograph beam bill billboard bugle call card contract out countersign curfew distress call distress signal dog-ear drumbeat electronic signal endorse equal sign execute flag guidepost heliograph high sign hoarding indicator indorse initial ink input input signal inscribe minus sign negativeness negativity notice number omen output output signal phone number placard plus sign portent positiveness positivity poster posting presage prodigy prognostic prognostication radical sign radio beacon radio beam radiotelegraphic signal recording retreat rubricate sandwich board scoreboard semaphore shingle signpost start starting signal storm signal street sign symbol telegraphic signal telephone number ticktack time signal token undersign visual signal vital sign war cloud warning signal whistle whistling wigwag