a step up/down

:  a rest for the foot in ascending or descending: such as

:  one of a series of structures consisting of a riser and a tread

:  a ladder rung

:  to move by raising the foot and bringing it down elsewhere or by moving each foot in succession

:  dance

:  to go on foot :  walk

:  in or into a higher position or level

:  away from the center of the earth

:  from beneath the ground or water to the surface

:  risen above the horizon

:  standing

:  being out of bed

: used as a function word to indicate motion to or toward or situation at a higher point of

:  up into or in the

:  in a direction regarded as being toward or near the upper end or part of

:  one in a high or advantageous position

:  an upward slope

:  a period or state of prosperity or success

:  to rise from a lying or sitting position

:  to move upward :  ascend

: used with and and another verb to indicate that the action of the following verb was either surprisingly or abruptly initiated

:  toward or in a lower physical position

:  to a lying or sitting position

:  toward or to the ground, floor, or bottom

:  down (see ¹down) along, around, through, toward, in, into, or on

:  to cause to go or come down (see ¹down) : such as

:  to cause to fall by or as if by shooting :  bring down

:  consume

:  occupying a low position

:  lying on the ground

:  directed or going downward

:  descent, depression

:  an instance of putting down someone (such as an opponent in wrestling)

:  a complete play to advance the ball

:  an undulating usually treeless upland with sparse soil

:  a sheep of any breed originating in the downs of southern England

:  a covering of soft fluffy feathers

:  these feathers

:  something soft and fluffy like down