Real Dictionary

step
the act of motion brought about by raising the foot and setting it down again in coordination with the transference of the weight of the body [...]
the dimensions, proportions, amount, or extent of something [...]
countable noun: If you take a step, you lift your foot and put it down in a different place, for example when you are walking.
countable noun: Steps are a series of surfaces at increasing or decreasing heights, on which you put your feet in order to walk up or down to a different level.
verb: If you step on something or step in a particular direction, you put your foot on the thing or move your foot in that direction.

time
the continuous passage of existence in which events pass from a state of potentiality in the future, through the present, to a state of finality in the past [...]
uncountable noun: Time is what we measure in minutes, hours, days, and years.