sign
advertise thier wares advertise what they are selling advertising lost pet alert people of the charity ask for charity ask for favors cheer on person describe their plight express beliefs express their viewpoints give a visual cue also hold in protest identify type of vehicle indicate person is leader indicates price of item list prices lists price look up at pin to the wall place on their office door informing people of their title post in their yard post on a wall put in the front put on the building put on the corner put on the vehicle