advice alert announcement appropriate-behavior appropriate-behaviour be-careful beware black care careful caution colors colours communicate communication concern danger dangerous dangers drowning-danger information informing lettering lookout message observant red restricted restriction restrictions risk risks risky river riverside safety sign signage signs symbols text warning warning-sign watch watch-out water wet yellow accounts bank banking bill due fiscal money personal poor rich save saver savings taxman triangle visual wealth windfall cold flood lightning nature rain storm road security snow square street thunderbolt travel wild cloud downpour drop droplet avoid communicating crocodiles crocs directions no-swimming not-allowed not-permitted permission-denied prohibited prohibition protect protection rules swimming unsafe white consumption denied health Look looking no-diving shallow undrinkable unhealthy access-denied damage demolition destruction hazard hazardous keep-out no-access no-entry requirements unwanted area children observance school schools slow slow-down slower speed time times zone aware awareness forklift listen moving moving-machinery rain rain-drops trams work workplace directing direction directional directive not allowed parking permission denied purple road-sign stop street-sign traffic traffic-flow verge