3D, AID, ANSWER, ASK, ASKED, ASSISTANCE, BLUE, CLOUDS, CLOUDY, COMMUNICATION, DEMAND, FAGEZEICHEN, FIRMAMENT, HELP, ILLUSTRATION, J, MARK, PICTOGRAM, PICTOGRAPH, QUERY, QUEST, QUESTION, R, RESPONSE, RG, SE-OBERREICH, SERVICE, SIGN, SIGNAL, SKY, SUPPORT, SYMBOL, TRADE,