from higher to lower; in descending direction or order; toward, into, or in a lower position: to come down the ladder.
on or to the ground, floor, or bottom: He fell down.
to or in a sitting or lying position.
to or in a position, area, or district considered lower, especially from a geographical or cartographic standpoint, as to the south, a business district, etc.: We drove from San Francisco down to Los Angeles.