STEP

noun

1. An advance or movement made from one foot to the other; a pace.
2. A rest, or one of a set of rests, for the foot in ascending or descending, as a stair, or a rung of a ladder.
3. A distinct part of a process; stage; phase.

verb

1. To move the foot in walking; to advance or recede by raising and moving one of the feet to another resting place, or by moving both feet in succession.
2. To walk; to go on foot; especially, to walk a little distance.
3. To walk slowly, gravely, or resolutely.