When autocomplete results are available use up and down arrows to review and enter to select. Touch device users, explore by touch or with swipe gestures.
Communication via signage is based on function and purpose. The traffic signal is a good example of how a single color communicates without further explanation. When people cross a street they press the button on the traffic signal column. Then, the signal turns red to green in the crosswalk as the signal for the drivers turn green to red. In this case the human shape in the crosswalk signal is quite unnecessary because the effect is not the form but the color. A way to improve the…